Practicing Success
Practicing Success
CUET Preparation Today
If A $=\begin{bmatrix}0 & 3 \\2 & -5\end{bmatrix}$ and $kA=\begin{bmatrix}0 & 4a \\-8 & 5b\end{bmatrix}$ , then which of the following is true ? |
$k=7, a=2$ $k=-4, a=-3$ $k=4, a=-3 $ $k=-4, a=8$ |
$k=-4, a=-3$ |
