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Choose the correct option.
If adj(A) = [2 3 5; x 5 1; 3 3 4] and |A| = 4, then the value of x is:
If $\operatorname{adj}(A) = \begin{bmatrix} 2 & 3 & 5 \\ x & 5 & 1 \\ 3 & 3 & 4 \end{bmatrix}$ and $|A| = 4$, then the value of $x$ is:
- (a)$16$
- (b)$12$
- (c)$32$
- (d)$10$
Answer
Answer
Official answer keyCorrect option: (a)
Answer: (a) $16$