If \[A=\left[ \begin{matrix} 0 & 2 & 0 \\ 0 & 0 & 3 \\ -2 & 2 & 0 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 2 & 3 \\ 3 & 4 & 5 \\ 5 & -4 & 0 \\ \end{matrix} \right]\], then the element of 3rd row and third column in AB will be

If \[A=\left[ \begin{matrix} 0 & 2 & 0 \\ 0 & 0 & 3 \\ -2 & 2 & 0 \

1.	If \[A=\left[ \begin{matrix} 0 & 2 & 0 \\ 0 & 0 & 3 \\ -2 & 2 & 0 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 2 & 3 \\ 3 & 4 & 5 \\ 5 & -4 & 0 \\ \end{matrix} \right]\], then the element of 3rd row and third column in AB will be
A.	-18
B.	4
C.	-12
D.	None of these
Answer» C. -12

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If \[A=\left[ \begin{matrix} 0 & 2 & 0 \\ 0 & 0 & 3 \\ -2 & 2 & 0 \\ \end{matrix} \right]\]and \[B=\left[ \begin{matrix} 1 & 2 & 3 \\ 3 & 4 & 5 \\ 5 & -4 & 0 \\ \end{matrix} \right]\], then the element of 3rd row and third column in AB will be

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