KcetMatrices And DeterminantsKCET 2025MCQ+1 / -02025If $B=\left[\begin{array}{ll}1 & 3 \\ 1 & \alpha\end{array}\right]$ be the adjoint of a matrix $A$ and $|A|=2$, then the value of $\alpha$ isA4B 5C 2D 3Check AnswerClear SelectionReveal AnswerShow Explanation