Determinants

Bihar Board Class 12 · Mathematics · 70 past questions

7 of 70 · show all

1. Q32 2024 Set D2024 Set J

   If $\begin{vmatrix} x & 2 \\ 18 & x \end{vmatrix} = \begin{vmatrix} 6 & 2 \\ 18 & 6 \end{vmatrix}$…

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2. Q33 2024 Set D2024 Set J

   $\begin{vmatrix} 1 & 1 & -2 \\ 2 & 1 & -3 \\ 5 & 4 & -9 \end{vmatrix}=$

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3. Q34 2024 Set D2024 Set J

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

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4. Q35 2024 Set D

   If $A=\begin{bmatrix}3&-5\\-1&2\end{bmatrix}$ then adjoint $A=$

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5. Q36 2024 Set D

   Evaluate the determinant $\begin{vmatrix}1&1&1\\a&b&c\\a^3&b^3&c^3\end{vmatrix}$.

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6. Q37 2024 Set D2024 Set J

   Evaluate the determinant $\begin{vmatrix}1+a&1&1\\1&1+b&1\\1&1&1+c\end{vmatrix}$.

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7. Q38 2024 Set D2024 Set J

   $\begin{vmatrix} x & x+1 \\ x-1 & x \end{vmatrix} =$

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