0 votes 0 votes Consider the matrix $A= \begin{pmatrix} 2 & 1 & 1\\ 2& 3& 4\\ -1& -1 & -2 \end{pmatrix} $ whose eigenvalues are $1, -1$ and $3$. Then Trace of $(A^3-3A^2)$ is $\_\_\_\_\_\_.$ Linear Algebra gate2016-in numerical-answers linear-algebra matrices eigen-values + – Milicevic3306 asked Mar 26, 2018 • recategorized Mar 20, 2021 by Lakshman Bhaiya Milicevic3306 7.9k points answer See all 0 reply