[{-3, 13}, {6, 9}] [{3, 0} {0, 3}] =

Question

\(\begin{bmatrix} -3&13\\6&9\end{bmatrix}\begin{bmatrix} 3&0\\0&3\end{bmatrix}=\)

(A) \(\begin{bmatrix} 0&0\\0&0\end{bmatrix}\)

(B) \(\begin{bmatrix} -9&13\\6&27\end{bmatrix}\)

(C) \(\begin{bmatrix} -9&39\\18&27\end{bmatrix}\)

(D) \(\begin{bmatrix} -9&0\\0&27\end{bmatrix}\)

Answer 1

Correct option is (C) \(\begin{bmatrix} -9&39\\18&27\end{bmatrix}\) 

\(\begin{bmatrix} -3&13\\6&9\end{bmatrix}\begin{bmatrix} 3&0\\0&3\end{bmatrix}=\) \(\begin{bmatrix} -9&39\\18&27\end{bmatrix}\)