Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

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1. Q73 2019 Set F2016

   $A=\begin{bmatrix}3&6\\5&-4\end{bmatrix},\ B=\begin{bmatrix}7&8\\5&6\end{bmatrix}\Rightarrow 2A+3B=$

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2. Q79 2016

   $\begin{vmatrix} 2 & 3 & 5 \\ 0 & 4 & 7 \\ 0 & 0 & 5 \end{vmatrix}$

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