Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

5 of 70 · show all

1. Q16 2025

   If $\begin{vmatrix} 2 & x \\ x & 8 \end{vmatrix} = \begin{vmatrix} 10 & 7 \\ 30 & 21 \end{vmatrix}$, then…

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2. Q20 2025

   Solve: $\begin{vmatrix}x^2-x+1 & x-1\\x+1 & x+1\end{vmatrix} = 2$

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3. Q30 2025 Set E

   If $\begin{vmatrix} x & 5 \\ x & x \end{vmatrix}=24$, then find the value of $x$.

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4. Q60 2018

   If 7 and 2 are two roots of the equation $\begin{vmatrix}x&3&7\\2&x&2\\7&6&x\end{vmatrix}=0$ then the third…

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5. Q62 2018

   Find the values of x and y when $\begin{vmatrix}2&3\\y&x\end{vmatrix}$ and…

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