Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

10 of 84 · show all

1. Q2 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2021 Set J2021 Set I

   If $A = \begin{bmatrix} 1 & -1 \\ -1 & 1 \end{bmatrix}$, then $A^3 =$

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2. Q15 2025

   $A = \begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix} \Rightarrow A^4 =$

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3. Q31 2025 Set A2025 Set E

   $A=\begin{bmatrix}1&0\\0&1\end{bmatrix} \Rightarrow A^{100} =$

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4. Q42 2024 Set D

   $A=\begin{bmatrix}0&1\\1&0\end{bmatrix}\Rightarrow A^5=$

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5. Q46 2024 Set J

   $A = \begin{bmatrix} 0 & 1 \\ 1 & 0 \end{bmatrix} \Rightarrow A^5 =$

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6. Q54 2023 Set E

   If $A=\begin{bmatrix}1&0\\0&1\end{bmatrix}$ then the value of $A^{25}$ is

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7. Q60 2021 Set I

   If $A=\begin{bmatrix}1&1&1\\1&1&1\\1&1&1\end{bmatrix}$, then $A^2 =$

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8. Q64 2021 Set J2021 Set I

   If $A=\begin{bmatrix}\lambda&0\\1&1\end{bmatrix}$, $B=\begin{bmatrix}1&0\\2&1\end{bmatrix}$ and $A^2=B$, then…

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9. Q68 2021 Set J

   If $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & 1 & 1 \\ 1 & 1 & 1 \end{bmatrix}$, then $A^2 =$

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10. Q80 2016

    If $A = \begin{vmatrix} 1 & 2 \\ 3 & 4 \end{vmatrix}$, then find the value of $A^2 + 3A + 2I$.

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