Determinants

CBSE Class 12 · Mathematics · 30 past questions

5 of 30 · show all

1. Q23 2023

   Let A be the area of a triangle having vertices $(x_1, y_1)$, $(x_2, y_2)$ and $(x_3, y_3)$. Which of the…

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2. Q25 2023

   If $|A| = 2$, where A is a $2 \times 2$ matrix, then $|4A^{-1}|$ equals…

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3. Q26 2023

   Let A be a $3 \times 3$ matrix such that $|\text{adj } A| = 64$. Then $|A|$ is equal to…

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4. Q27 2023

   If $\begin{bmatrix} 1 & 2 & 1 \\ 2 & 3 & 1 \\ 3 & a & 1 \end{bmatrix}$ is non-singular matrix and $a \in A$…

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5. Q29 2023

   If (a, b), (c, d) and (e, f) are the vertices of $\triangle ABC$ and $\Delta$ denotes the area of…

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