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-- Mathematics - Section A
Matrices
If $A=\begin{bmatrix}0 & -1\\0 & 2\end{bmatrix} $ and $I=\begin{bmatrix}1 & 0\\0 & 1\end{bmatrix}$ and $A^2=3A+kI,$ then the value of k is :
3
4
-2
-3