Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

8 of 70 · show all

1. Q17 2025

   $\begin{vmatrix} 11 & 7 & 9 \\ 2 & -1 & 5 \\ 22 & 14 & 18 \end{vmatrix} =$

   Try it →
2. Q19 2025

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

   Try it →
3. Q21 2025 Set A2025 Set E

   $\dfrac{d}{dx}\left\{\begin{vmatrix} x & x \\ 2 & x \end{vmatrix}\right\} =$

   Try it →
4. Q22 2025 Set A2025 Set E

   $\dfrac{d}{dx}\left\{\begin{vmatrix} x & 15 \\ 4 & 4 \end{vmatrix}\right\} =$

   Try it →
5. Q24 2025 Set A2025 Set E

   $\begin{vmatrix}10&4\\13&5\end{vmatrix}=$

   Try it →
6. Q25 2025 Set A2025 Set E

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

   Try it →
7. Q26 2025 Set A2025 Set E

   $\begin{vmatrix}3&\sqrt3&\sqrt3\\4&0&0\\0&0&0\end{vmatrix}=$

   Try it →
8. Q27 2025 Set A2025 Set E

   $5\begin{vmatrix}1&2\\3&4\end{vmatrix}=$

   Try it →