Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

4 of 84 · show all

1. Q1 2026 Set A2026 Set C2026 Set D2026 Set H

   $A=[4\;2\;3]\Rightarrow A'=$

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2. Q6 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B

   $A = \begin{bmatrix} 3 & -4 \\ 1 & -1 \end{bmatrix} \Rightarrow A + A' =$

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3. Q7 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2021 Set J2021 Set I

   If $A=\begin{bmatrix}\cos\alpha & \sin\alpha\\ -\sin\alpha & \cos\alpha\end{bmatrix}$ and $A+A'=I$ then…

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4. Q11 2026 Set J2026 Set E2026 Set B2026 Set F

   $A=[\,4\ \ 2\ \ 3\,] \Rightarrow A' =$

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