Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

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1. Q19 2025

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

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2. Q25 2025 Set A2025 Set E

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

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