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1
GATE IN 2021 | Question: 1
Consider the row vectors $v=(1,0)$ and $w=(2,0)$. The rank of the matrix $M=2v^{T}v+3w^{T}w$, where the superscript $\text{T}$ denotes the transpose, is $1$ $2$ $3$ $4$
Consider the row vectors $v=(1,0)$ and $w=(2,0)$. The rank of the matrix $M=2v^{T}v+3w^{T}w$, where the superscript $\text{T}$ denotes the transpose, is$1$$2$$3$$4$
Lakshman Bhaiya
2.4k
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Lakshman Bhaiya
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Apr 11, 2021
Linear Algebra
gatein-2021
linear-algebra
matrices
rank-of-matrix
vectors
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0
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0
answers
2
GATE IN 2021 | Question: 2
Consider the sequence $x_{n}=0.5x_{n-1}+1,n=1,2, \dots \:\dots$ with $x_0=0$ . Then $\displaystyle \lim_{n\rightarrow \infty} x_n$ is $0$ $1$ $2$ $\infty$
Consider the sequence $x_{n}=0.5x_{n-1}+1,n=1,2, \dots \:\dots$ with $x_0=0$ . Then $\displaystyle \lim_{n\rightarrow \infty} x_n$ is$0$$1$$2$$\infty$
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Calculus
gatein-2021
calculus
limits
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–
0
votes
0
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3
GATE IN 2021 | Question: 6
Let $u\left ( t \right )$ denote the unit step function. The bilateral Laplace transform of the function $f\left ( t \right )=e^{t}u\left ( -t \right )$ is ________________. $\frac{1}{s-1}$ with real part of $s< 1$ $\frac{1}{s-1}$ with real part of $s> 1$ $\frac{-1}{s-1}$ with real part of $s< 1$ $\frac{-1}{s-1}$ with real part of $s> 1$
Let $u\left ( t \right )$ denote the unit step function. The bilateral Laplace transform of the function $f\left ( t \right )=e^{t}u\left ( -t \right )$ is ______________...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Differential equations
gatein-2021
differential-equations
laplace-transform
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–
0
votes
0
answers
4
GATE IN 2021 | Question: 23
Consider the function $f\left ( x \right )=-x^{2}+10x+100$. The minimum value of the function in interval $[5,10]$ is ___________.
Consider the function $f\left ( x \right )=-x^{2}+10x+100$. The minimum value of the function in interval $[5,10]$ is ___________.
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Calculus
gatein-2021
numerical-answers
calculus
maxima-minima
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–
0
votes
0
answers
5
GATE IN 2021 | Question: 24
Let $f\left ( z \right )=\dfrac{1}{z^{2}+6z+9}$ defined in the complex plane. The integral $\oint _{c}\:f\left ( z \right )dz$ over the contour of a circle $\text{c}$ with center at the origin and unit radius is _______________.
Let $f\left ( z \right )=\dfrac{1}{z^{2}+6z+9}$ defined in the complex plane. The integral $\oint _{c}\:f\left ( z \right )dz$ over the contour of a circle $\text{c}$ wit...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Analysis of complex variables
gatein-2021
numerical-answers
analysis-of-complex-variables
cauchys-integral-theorem
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–
0
votes
0
answers
6
GATE IN 2021 | Question: 25
The determinant of the matrix $\text{M}$ shown below is _______________. $M=\begin{bmatrix} 1 & 2 & 0 & 0\\ 3 & 4 & 0 & 0\\ 0 & 0 & 4 & 3\\ 0 & 0 & 2 & 1 \end{bmatrix}$
The determinant of the matrix $\text{M}$ shown below is _______________. $$M=\begin{bmatrix} 1 & 2 & 0 & 0\\ 3 & 4 & 0 & 0\\ 0 & 0 & 4 & 3\\ 0 & 0 & 2 & 1 \end{bmatrix}$$...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Linear Algebra
gatein-2021
numerical-answers
linear-algebra
matrices
determinant
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–
0
votes
0
answers
7
GATE IN 2021 | Question: 26
$f\left ( Z \right )=\left ( Z-1 \right )^{-1}-1+\left ( Z-1 \right )-\left ( Z-1 \right )^{2}+ \cdots$ is the series expansion of $\frac{-1}{Z\left ( Z-1 \right )}$ for $\left | Z-1 \right |< 1$ $\frac{1}{Z\left ( Z-1 \right )}$ for $\left | Z-1 \right |< 1$ $\frac{1}{\left ( Z-1 \right )^{2}}$ for $\left | Z-1 \right |< 1$ $\frac{-1}{\left ( Z-1 \right )}$ for $\left | Z-1 \right |< 1$
$f\left ( Z \right )=\left ( Z-1 \right )^{-1}-1+\left ( Z-1 \right )-\left ( Z-1 \right )^{2}+ \cdots$ is the series expansion of$\frac{-1}{Z\left ( Z-1 \right )}$ for $...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Analysis of complex variables
gatein-2021
analysis-of-complex-variables
taylor-series
+
–
0
votes
0
answers
8
GATE IN 2021 | Question: 37
Consider that $\text{X}$ and $\text{Y}$ are independent continuous valued random variables with uniform $\text{PDF}$ given by $X\sim U\left ( 2,3 \right )$ and $Y\sim U\left ( 1,4 \right )$. Then $P\left ( Y\leq X \right )$ is equal to __________________ (rounded off to two decimal places).
Consider that $\text{X}$ and $\text{Y}$ are independent continuous valued random variables with uniform $\text{PDF}$ given by $X\sim U\left ( 2,3 \right )$ and $Y\sim U\l...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Probability and Statistics
gatein-2021
numerical-answers
probability-and-statistics
probability
probability-density-function
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–
0
votes
0
answers
9
GATE IN 2021 | Question: 38
Given $A=\begin{pmatrix} 2 & 5\\ 0 & 3 \end{pmatrix}$. The value of the determinant $\left | A^{4}-5A^{3}+6A^{2}+2I \right |=$ _______________.
Given $A=\begin{pmatrix} 2 & 5\\ 0 & 3 \end{pmatrix}$. The value of the determinant $\left | A^{4}-5A^{3}+6A^{2}+2I \right |=$ _______________.
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Apr 11, 2021
Linear Algebra
gatein-2021
numerical-answers
linear-algebra
matrices
determinant
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–
0
votes
0
answers
10
GATE2020 IN: 26
Consider the matrix $M=\begin {bmatrix} 1&-1&0\\1&-2&1\\0&-1&1\end{bmatrix}$. One of the eigenvectors of $M$ is $\begin {bmatrix} 1\\-1\\1\end{bmatrix}$ $\begin {bmatrix} 1\\1\\-1\end{bmatrix}$ $\begin {bmatrix} -1\\1\\-1\end{bmatrix}$ $\begin {bmatrix} 1\\1\\1\end{bmatrix}$
Consider the matrix $M=\begin {bmatrix} 1&-1&0\\1&-2&1\\0&-1&1\end{bmatrix}$. One of the eigenvectors of $M$ is$\begin {bmatrix} 1\\-1\\1\end{bmatrix}$$\begin {bmatrix} 1...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Linear Algebra
gate2020-in
linear-algebra
matrices
eigen-values
eigen-vectors
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–
0
votes
0
answers
11
GATE2020 IN: 27
Consider the differential equation $\frac{dx}{dt}=\sin(x),$ with the initial condition $x(0)=0. $ The solution to this ordinary differential equation is __________ $x(t)=0$ $x(t)=\sin(t)$ $x(t)=\cos(t)$ $x(t)=\sin(t)-\cos(t)$
Consider the differential equation $\frac{dx}{dt}=\sin(x),$ with the initial condition $x(0)=0. $The solution to this ordinary differential equation is __________$x(t)=0$...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Differential equations
gate2020-in
differential-equations
ordinary-differential-equation
+
–
0
votes
0
answers
12
GATE2020 IN: 28
A straight line drawn on an x-y plane intercepts the x-axis at -0.5 and the y-axis at 1. The equation that describes this line is __________. $\text{y=-0.5x+1}$ $\text{y=x-0.5}$ $\text{y=0.5x-1}$ $\text{y=2x+1}$
A straight line drawn on an x-y plane intercepts the x-axis at -0.5 and the y-axis at 1.The equation that describes this line is __________.$\text{y=-0.5x+1}$$\text{y=x-0...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2020-in
calculus
cartesian-coordinates
+
–
0
votes
0
answers
13
GATE2020 IN: 31
Consider the function $f(x,y)=x^2+y^2.$ The minimum value the function attains on the line $x+y=1$ (rounded off to one decimal place) is __________.
Consider the function $f(x,y)=x^2+y^2.$ The minimum value the function attains on the line $x+y=1$ (rounded off to one decimal place) is __________.
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2020-in
numerical-answers
calculus
maxima-minima
+
–
0
votes
0
answers
14
GATE2020 IN: 32
Consider two identical bags $B1$ and $B2$ each containing $10$ balls of identical shapes and sizes. Bag $B1$ contains $7$ Red and $3$ Green balls, while bag $B2$ contains $3$ Red and $7$ Green balls. A bag is picked at random and a ball is drawn from it, which was found to be Red. The probability that the Red ball came from bag $B1$ $\text{(rounded off to one decimal place)}$ is ______.
Consider two identical bags $B1$ and $B2$ each containing $10$ balls of identical shapes and sizes. Bag $B1$ contains $7$ Red and $3$ Green balls, while bag $B2$ contains...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2020-in
numerical-answers
probability-and-statistics
probability
conditional-probability
+
–
0
votes
0
answers
15
GATE2020: 1
The unit vectors along the mutually perpendicular x,y and z axes are $\hat{i},\;\hat{j}\; and \;\hat{k}$ respectively. Consider the plane $z=0$ and two vectors $\overrightarrow{a} and\;\overrightarrow{b}$ on that plane such that $\overrightarrow{a}\neq \alpha \overrightarrow{b}$ for any scalar $\alpha$. A vector perpendicular to both $\overrightarrow{a} and\;\overrightarrow{b}$ is ___________ $\hat{k}$ $\hat{i}-\hat{j}$ $-\hat{j}$ $\hat{i}$
The unit vectors along the mutually perpendicular x,y and z axes are $\hat{i},\;\hat{j}\; and \;\hat{k}$ respectively. Consider the plane $z=0$ and two vectors $\overrigh...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2020-in
calculus
vector-calculus
vector-identities
+
–
0
votes
0
answers
16
GATE2020: 2
Consider the recursive equation $X_{n+1}=X_n – h(F(X_n)-X_n),$ with initial condition $X_0=1$ and h>0 being a very small valued scalar. This recursion numerically solves the ordinary differential equation ________ $\dot{X}=-F(X), X(0)=1$ $\dot{X}=-F(X)+X, X(0)=1$ $\dot{X}=F(X), X(0)=1$ $\dot{X}=F(X)+X, X(0)=1$
Consider the recursive equation $X_{n+1}=X_n – h(F(X_n)-X_n),$ with initial condition $X_0=1$ and h>0 being a very small valued scalar. This recursion numerically solve...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Differential equations
gate2020-in
differential-equations
recursive-equation
+
–
0
votes
0
answers
17
GATE2020: 3
A set of linear equations is given in the form $Ax=b$, where A is a $2\times 4$ matrix with real number entries and $b\neq 0.$ will it be possible to solve for $x$ and obtain a unique solution by multiplying both left and right sides of the equation by $A^T$ (the super script $T$ denotes the transpose) and ... $A^T A$ is well conditioned Yes, can obtain a unique solution provided the matrix $A$ is well conditioned
A set of linear equations is given in the form $Ax=b$, where A is a $2\times 4$ matrix with real number entries and $b\neq 0.$ will it be possible to solve for $x$ and ob...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Linear Algebra
gate2020-in
linear-algebra
matrices
matrix-algebra
+
–
0
votes
0
answers
18
GATE2020: 15
Let $f(z)=\frac{1}{z+a},a>0.$ the value of the integral $\oint f(z)dz$ over a circle $C$ with center $(-a,0)$ and radius $R>0$ evaluated in the anti-clockwise direction is ____________ $0$ $2\pi i$ $-2\pi i$ $4\pi i$
Let $f(z)=\frac{1}{z+a},a>0.$ the value of the integral $\oint f(z)dz$ over a circle $C$ with center $(-a,0)$ and radius $R>0$ evaluated in the anti-clockwise direction i...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Analysis of complex variables
gate2020-in
analysis-of-complex-variables
cauchys-integral-theorem
+
–
0
votes
0
answers
19
GATE2020: 16
A player throws a ball at a basket kept at a distance. The probability that the ball falls into the basket in a single attempt is 0.1. The player attempts to throw the ball twice. Considering each attempt to be independent, the probability that this player puts the ball into the basket only in the second attempt $\text{(rounded off to two decimal places)}$ is __________
A player throws a ball at a basket kept at a distance. The probability that the ball falls into the basket in a single attempt is 0.1. The player attempts to throw the ba...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2020-in
numerical-answers
probability-and-statistics
probability
conditional-probability
+
–
0
votes
0
answers
20
GATE2020: 19
Consider the signal $x(t)=e^{-|t|}$. Let $X(j\omega)=\int_{-\infty}^{\infty} x(t)e^{-j\omega t} dt$ be the Fourier transform of $x(t)$. The value of $X(j0) $is _________
Consider the signal $x(t)=e^{-|t|}$. Let $X(j\omega)=\int_{-\infty}^{\infty} x(t)e^{-j\omega t} dt$ be the Fourier transform of $x(t)$. The value of $X(j0) $is _________
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Differential equations
gate2020-in
numerical-answers
differential-equations
fourier-transform
+
–
0
votes
0
answers
21
GATE2019 IN: 1
$\overrightarrow{a}$,$\overrightarrow{b}$,$\overrightarrow{c}$ are three orthogonal vectors. Given that $\overrightarrow{a}$ = ${\widehat{i}}$ + 2${\widehat{j}}$ + 5${\widehat{k}}$ and $\overrightarrow{b}$ = ${\widehat{i}}$ + 2${\widehat{j}}$ – ${\widehat{k}}$, the vector $\overrightarrow{c}$ is parallel to $\widehat{i}+2\widehat{j}+3\widehat{k}$ $2\widehat{i} + \widehat{j}$ $2\widehat{i} – \widehat{j}$ $4\widehat{k}$
$\overrightarrow{a}$,$\overrightarrow{b}$,$\overrightarrow{c}$ are three orthogonal vectors. Given that $\overrightarrow{a}$ = ${\widehat{i}}$ + 2${\widehat{j}}$ + 5${\wi...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2019-in
calculus
vector-calculus
vector-identities
+
–
0
votes
0
answers
22
GATE2019 IN: 2
The vector function $\overrightarrow{A}$ is given by $\overrightarrow{A}$ = $\overrightarrow{\bigtriangledown}$u , where u(x, y) is a scalar function. Then |$\overrightarrow{\bigtriangledown}$ x $\overrightarrow{A}$| is -1 0 1 $\infty$
The vector function $\overrightarrow{A}$ is given by $\overrightarrow{A}$ = $\overrightarrow{\bigtriangledown}$u , where u(x, y) is a scalar function. Then |$\overrightar...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2019-in
calculus
vector-calculus
vector-identities
+
–
0
votes
0
answers
23
GATE2019 IN: 3
A box has 8 red balls and 8 green balls. Two balls are drawn randomly in succession from the box without replacement. The probability that the first ball drawn is red and the second ball drawn is green is 4/15 7/16 ½ 8/15
A box has 8 red balls and 8 green balls. Two balls are drawn randomly in succession from the box without replacement. The probability that the first ball drawn is red and...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2019-in
probability-and-statistics
probability
conditional-probability
+
–
0
votes
0
answers
24
GATE2019 IN: 16
A 3 x 3 matrix has eigenvalues 1, 2 and 5. The determinant of the matrix is $\_\_\_\_$.
A 3 x 3 matrix has eigenvalues 1, 2 and 5. The determinant of the matrix is $\_\_\_\_$.
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Linear Algebra
gate2019-in
numerical-answers
linear-algebra
matrices
eigen-values
determinant
+
–
0
votes
0
answers
25
GATE2019 IN: 26
The curve y = f(x) is such that the tangent to the curve at every point (x,y) has a y-axis intercept c, given by c = -y. Then,f(x) is proportional to x$^{-1}$ x$^{2}$ x$^{3}$ x$^{4}$
The curve y = f(x) is such that the tangent to the curve at every point (x,y) has a y-axis intercept c, given by c = -y. Then,f(x) is proportional tox$^{-1}$x$^{2}$x$^{3}...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2019-in
calculus
functions
curves
+
–
0
votes
0
answers
26
GATE2019 IN: 27
The function p(x) is given by p(x) = A/x$^\mu$ where A and $\mu$ are constants with $\mu$ > 1 and 1 $\le$ x <$\infty$ and p(x) = 0 for -$\infty$ < x <1. For p(x) to be a probability density function, the value of A should be equal to $\mu$ – 1 $\mu$ + 1 1/($\mu$ – 1) 1/($\mu$ +1)
The function p(x) is given by p(x) = A/x$^\mu$ where A and $\mu$ are constants with $\mu$ 1 and 1 $\le$ x <$\infty$ and p(x) = 0 for -$\infty$ < x <1. For p(x) to be a ...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2019-in
probability-and-statistics
probability
probability-density-function
mean
+
–
0
votes
0
answers
27
GATE2019 IN: 29
A complex function f(z) = u(x,y) + i v(x,y) and its complex conjugate f*(z) = u(x,y) – i v(x,y) are both analytic in the entire complex plane, where z = x + i y and i = $\sqrt{-1}$. The function f is then given by f(z) = x + i y f(z) = x$^{2}$ – y$^{2}$ + i 2xy f(z) = constant f(z) = x$^{2}$ + y$^{2}$
A complex function f(z) = u(x,y) + i v(x,y) and its complex conjugate f*(z) = u(x,y) – i v(x,y) are both analytic in the entire complex plane, where z = x + i y and i =...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Analysis of complex variables
gate2019-in
analysis-of-complex-variables
complex-conjugate
complex-function
+
–
0
votes
0
answers
28
GATE2019 IN: 28
The dynamics of the state $\begin{bmatrix}x{_1} \\x{_2}\end{bmatrix}$ of a sytem is governed by the differential equation $\begin{bmatrix}x{_1} \\x{_2}\end{bmatrix}$ = $\begin{bmatrix}1 & 2 \\-3 & -4\end{bmatrix}$\begin{bmatrix}x{_1} \\x{_2}\end{bmatrix}$ + $ ... is $\begin{bmatrix}-30 \\-40\end{bmatrix}$ $\begin{bmatrix}-20 \\-10\end{bmatrix}$ $\begin{bmatrix}5\\-15\end{bmatrix}$ $\begin{bmatrix}50 \\-35\end{bmatrix}$
The dynamics of the state $\begin{bmatrix}x{_1} \\x{_2}\end{bmatrix}$ of a sytem is governed by the differential equation $\begin{bmatrix}x{_1} \\x{_2}\end{bmatrix}$ = ...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Differential equations
gate2019-in
differential-equations
+
–
0
votes
0
answers
29
GATE2018IN: 29
Consider the following equations $\frac {\partial {V(x,y)}}{\partial x}$ = px$^2$ + y$^2$ + 2xy $\frac {\partial {V(x,y)}}{\partial y}$ = x$^2$ + qy$^2$ + 2xy where p and q are constant ,V(x,y) that satisfies the above equations is p$\frac{x^3}{3}$ + q$\frac{y^3}{3}$ + 2xy + 6 p$\frac{x^3}{3}$ + q$\frac{y^3}{3}$ + 5 p$\frac{x^3}{3}$ + q$\frac{y^3}{3}$ + x$^2$y + xy$^2$ + xy p$\frac{x^3}{3}$ + q$\frac{y^3}{3}$ + x$^2$y + xy$^2$
Consider the following equations $\frac {\partial {V(x,y)}}{\partial x}$ = px$^2$ + y$^2$ + 2xy ...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Differential equations
gate2018-in
differential-equations
partial-differential-equations
+
–
0
votes
0
answers
30
GATE2018IN: 28
Consider the following system of linear equations: 3x + 2ky = -2 kx + 6y =2 Here x and y are the unknows and k is real constant. The value of k for which there are infinite number of solutions is 3 1 -3 -6
Consider the following system of linear equations: 3x + 2ky = -2 kx + 6y =2Here x and y are the unknows and k is real c...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Linear Algebra
gate2018-in
linear-algebra
system-of-equations
+
–
0
votes
0
answers
31
GATE2018IN: 27
Two bags A and B have equal number of balls. Bag A has 20% red balls and 80% green balls. Bag B has 30% red balls,60% green balls and 10% yellow balls. Contents of Bags A and B are mixed thoroughly and a ball is randomly picked from the mixture. What is the chance that the ball picked is red? 20% 25% 30% 40%
Two bags A and B have equal number of balls. Bag A has 20% red balls and 80% green balls. Bag B has 30% red balls,60% green balls and 10% yellow balls. Contents of Bags A...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2018-in
probability-and-statistics
probability
conditional-probability
+
–
0
votes
0
answers
32
GATE2018IN: 26
Given $\overrightarrow{F}$ = (x$^2$ – 2y) $\overrightarrow{i}$ – 4xz$\overrightarrow{j}$ + 4xz$^2$\overrightarrow{k}$, the value of the linear integral $\int_c$\overrightarrow{F}$ . d$\overrightarrow{l}$ along the straight line c from (0,0,0) to (1,1,1) is 3/16 0 -5/12 -1
Given $\overrightarrow{F}$ = (x$^2$ – 2y) $\overrightarrow{i}$ – 4xz$\overrightarrow{j}$ + 4xz$^2$$\overrightarrow{k}$, the value of the linear integral $\int_c$$\ove...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Calculus
gate2018-in
calculus
vector-calculus
line-integral
+
–
0
votes
0
answers
33
GATE2018IN: 5
Consider a sequence of tossing of a fair coin where the outcomes of tosses are independent. The probability of getting the head for the third time in the fifth toss is $\frac{5}{16}$ $\frac{3}{16}$ $\frac{3}{5}$ $\frac{9}{16}$
Consider a sequence of tossing of a fair coin where the outcomes of tosses are independent. The probability of getting the head for the third time in the fifth toss is$\f...
Lakshman Bhaiya
2.4k
points
Lakshman Bhaiya
recategorized
Mar 20, 2021
Probability and Statistics
gate2018-in
probability-and-statistics
probability
conditional-probability
independent-events
+
–
0
votes
0
answers
34
GATE2018IN: 4
Consider two functions f(x) = (x – 2)$^2$ and g(x) = 2x – 1, where x is real. The smallest value of x for which f(x) = g(x) is $\_\_\_\_\_\_$
Consider two functions f(x) = (x – 2)$^2$ and g(x) = 2x – 1, where x is real. The smallest value of x for which f(x) = g(x) is $\_\_\_\_\_\_$
Lakshman Bhaiya
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Lakshman Bhaiya
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Calculus
gate2018-in
numerical-answers
calculus
maxima-minima
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–
0
votes
0
answers
35
GATE2018IN: 3
X and Y are two independent random variables with variances 1 and 2, respectively. Let Z = X – Y. The variance of Z is 0 1 2 3
X and Y are two independent random variables with variances 1 and 2, respectively. Let Z = X – Y. The variance of Z is0123
Lakshman Bhaiya
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Lakshman Bhaiya
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Mar 20, 2021
Probability and Statistics
gate2018-in
probability-and-statistics
probability
random-variable
variance
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–
0
votes
0
answers
36
GATE2018IN: 2
Let f$_1$(Z) =Z$^2$ and f$_2$(Z) = $\overline{z}$ be two complex variable functions. Here $\overline{z}$ is the complex conjugate of z. Choose the correct answer Both f$_1$(Z) and f$_2$(Z) are analytic Only f$_1$(Z) is analytic Only f$_2$(Z) is analytic Both f$_1$(Z) and f$_2$(Z) are not analytic
Let f$_1$(Z) =Z$^2$ and f$_2$(Z) = $\overline{z}$ be two complex variable functions. Here $\overline{z}$ is the complex conjugate of z. Choose the correct answerBoth f$_1...
Lakshman Bhaiya
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Lakshman Bhaiya
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Analysis of complex variables
gate2018-in
analysis-of-complex-variables
complex-conjugate
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–
0
votes
0
answers
37
GATE2018IN: 1
Let N be a 3 by 3 matrix with real numbers entries. The matrix N is such that N$^2$ = 0. The eigen values of N are 0, 0, 0 0,0,1 0,1,1 1,1,1
Let N be a 3 by 3 matrix with real numbers entries. The matrix N is such that N$^2$ = 0. The eigen values of N are 0, 0, 00,0,10,1,11,1,1
Lakshman Bhaiya
2.4k
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Lakshman Bhaiya
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Mar 20, 2021
Linear Algebra
gate2018-in
linear-algebra
matrices
eigen-values
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–
0
votes
0
answers
38
GATE2018IN: 37
Consider the linear system x = $\begin{bmatrix}-1 & 0 \\0 & -2\end{bmatrix} x,$ with initial condition $x(0) = \begin{bmatrix}1 \\1\end{bmatrix}$. The solution $x(t)$ for this system is $x(t) = \begin{bmatrix}e^{-t} & te^{-2t} \\0 & e^{-2t}\end{bmatrix}$ $\begin{bmatrix}1 \\1\end{bmatrix}$ ... $\begin{bmatrix}1 \\1\end{bmatrix}$ $x(t) = \begin{bmatrix}e^{-t} & 0 \\0 & e^{-2t}\end{bmatrix}$ $\begin{bmatrix}1 \\1\end{bmatrix}$
Consider the linear system x = $\begin{bmatrix}-1 & 0 \\0 & -2\end{bmatrix} x,$ with initial condition $x(0) = \begin{bmatrix}1 \\1\end{bmatrix}$. The solution $x(t)$ for...
Lakshman Bhaiya
2.4k
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Lakshman Bhaiya
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Mar 20, 2021
Numerical Methods
gate2018-in
numerical-methods
linear-system
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–
0
votes
0
answers
39
GATE2017: 35
The Laplace transform of a casual signal $y(t)$ is $Y(s)$ = $\frac{s+2}{s+6}$. The value of the signal $y(t)$ at $t $ = $0.1\:s$ is_____________ unit.
The Laplace transform of a casual signal $y(t)$ is $Y(s)$ = $\frac{s+2}{s+6}$. The value of the signal $y(t)$ at $t $ = $0.1\:s$ is_____________ unit.
Lakshman Bhaiya
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Lakshman Bhaiya
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Differential equations
gate2017-in
numerical-answers
differential-equations
laplace-transform
+
–
0
votes
0
answers
40
GATE2017: 27
The angle between two vectors $X_1=\begin{bmatrix}2 & 6 & 14\end{bmatrix}^T$ and $X_2=\begin{bmatrix}-12 & 8 & 16\end{bmatrix}^T$ in radian is __________.
The angle between two vectors $X_1=\begin{bmatrix}2 & 6 & 14\end{bmatrix}^T$ and $X_2=\begin{bmatrix}-12 & 8 & 16\end{bmatrix}^T$ in radian is __________.
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Lakshman Bhaiya
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Calculus
gate2017-in
numerical-answers
calculus
vector-identities
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