Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

3 of 84 · show all

1. Q81 2015

   If $\begin{bmatrix} 2x-y & 5 \\ 3 & y \end{bmatrix} = \begin{bmatrix} 6 & 5 \\ 3 & -2 \end{bmatrix}$, then…

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2. Q82 2015

   The inverse of $A=\begin{bmatrix}2&3\\5&k\end{bmatrix}$ will not be obtained if k has the value

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3. Q83 2015

   For any unit matrix $I$

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