Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

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1. Q58 2018

   If $\lambda\in R$ and $\Delta=\begin{vmatrix}a&b\\c&d\end{vmatrix}$ then $\lambda\Delta=$

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2. Q61 2018

   Let A be a non-singular matrix of the order $2 \times 2$ then $|adj A| =$ ..........

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