Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

7 of 70 · show all

1. Q1 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set D2026 Set J2026 Set B

   $\begin{vmatrix} x & 4 \\ 2 & 2x \end{vmatrix} = 0 \Rightarrow x =$

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2. Q5 2026 Set A2026 Set E2026 Set C2026 Set F2026 Set D2026 Set B

   Find the value of $x$, when $\begin{vmatrix}2x&8\\4&x\end{vmatrix}=0$.

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3. Q11 2026 Set F

   $\begin{vmatrix}x&4\\2&2x\end{vmatrix}=0 \Rightarrow x=$

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4. Q14 2026 Set J2026 Set H

   Find the value of $x$, when $\begin{vmatrix} 2x & 8 \\ 4 & x \end{vmatrix} = 0$.

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5. Q19 2025

   If $\begin{vmatrix} x+1 & 3 \\ 5 & x-1 \end{vmatrix} = 0$ then $x =$

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6. Q25 2025 Set A2025 Set E

   $\begin{vmatrix}x&15\\4&4\end{vmatrix}=0\ \Rightarrow x=$

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7. Q65 2017

   If $\begin{vmatrix} x & 5 \\ 5 & x \end{vmatrix} = 0$ then $x = 0$

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