‹ Back to the paper
If is a matrix such that , then the value of will be
If $A$ is a $3 \times 3$ matrix such that $A(\text{adj } A) = \begin{pmatrix} 3 & 0 & 0 \\\\ 0 & 3 & 0 \\\\ 0 & 0 & 3 \end{pmatrix}$, then the value of $|A^T|$ will be
- (a)$27$
- (b)$9$
- (c)$3$
- (d)$-3$
Answer
No answer yet.
From ISC 2023 Specimen Mathematics Paper 1, question 1(v).