Matrices

Bihar Board Class 12 · Mathematics · 84 past questions

10 of 84 · show all

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

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

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

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

   Try it →
3. Q11 2026 Set J2026 Set E2026 Set B2026 Set F

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

   Try it →
4. Q19 2025

   If $A = \begin{bmatrix} 2 & -1 & 0 \\ 7 & 3 & 5 \end{bmatrix}$ then $A' =$

   Try it →
5. Q29 2025 Set A2025 Set E

   $A=\begin{bmatrix}1&2&3\end{bmatrix}\Rightarrow A'=$

   Try it →
6. Q38 2024 Set D

   If $A=\begin{bmatrix}2&\sqrt2&0\\3&-2&\frac25\end{bmatrix}$ then $A'=$

   Try it →
7. Q48 2024 Set J

   If $A=\begin{bmatrix}2&\sqrt{2}&0\\3&-2&\frac{2}{5}\end{bmatrix}$ then $A'=$

   Try it →
8. Q63 2021 Set J2021 Set I

   $A$ is a square matrix, then $A+A'$ is necessarily

   Try it →
9. Q70 2019 Set F

   If $A=\begin{bmatrix}1&2&3\\4&5&6\end{bmatrix}$, then which one of the following is equal to $A'$?

   Try it →
10. Q76 2018

    If A be a square matrix. Then $A + A'$ will be ..........

    Try it →