CBSE Class 12 Matrices and Determinants — practice questions
8 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 12 Matrices and Determinants in the app →The product of a matrix $A$ of order $2\times 3$ and $B$ of order $3\times 4$ has order:The transpose of $A^T$ is:A square matrix $A$ is symmetric if:A square matrix $A$ has an inverse if and only if:The determinant of $\begin{pmatrix}3 & 2 \\ 1 & 4\end{pmatrix}$ is:Swapping two rows of a determinant changes its value by a factor of:If $A$ is a $3\times 3$ matrix with $|A| = 5$, then $|A^{-1}|$ is:Three points $(1, 2), (3, 4), (5, 6)$ on the school graph paper are: