

MCQOPTIONS
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1. |
If \[A=\left[ \begin{matrix} 1 & 3 & 0 \\ -1 & 2 & 1 \\ 0 & 0 & 2 \\ \end{matrix} \right],B=\left[ \begin{matrix} 2 & 3 & 4 \\ 1 & 2 & 3 \\ -1 & 1 & 2 \\ \end{matrix} \right]\], then AB = [EAMCET 1987] |
A. | \[\left[ \begin{matrix} 5 & 9 & 13 \\ -1 & 2 & 4 \\ -1 & 2 & 4 \\ \end{matrix} \right]\] |
B. | \[\left[ \begin{matrix} 5 & 9 & 13 \\ -1 & 2 & 4 \\ -2 & 2 & 4 \\ \end{matrix} \right]\] |
C. | \[\left[ \begin{matrix} 1 & 2 & 4 \\ -1 & 2 & 4 \\ -2 & 2 & 4 \\ \end{matrix} \right]\] |
D. | None of these |
Answer» C. \[\left[ \begin{matrix} 1 & 2 & 4 \\ -1 & 2 & 4 \\ -2 & 2 & 4 \\ \end{matrix} \right]\] | |