0 0 votes The highest frequency present in the signal $x(t)$ is $f_{max}$. The highest frequency present in the signal $y(t)=x^2(t)$ is $\frac{1}{2}f_{max}$ $f_{max}$ $2f_{max}$ $4f_{max}$ Signals and Systems gate2015-in signals-and-systems + – Milicevic3306 7.9k points answer 0 reply
