KcetMatrices And DeterminantsKCET 2017MCQ+1 / -02017 If $\left|\begin{array}{ll}3 & x \\ x & 1\end{array}\right|=\left|\begin{array}{ll}3 & 2 \\ 4 & 1\end{array}\right|$, then $x$ is equal toA4B 8C 2D $\pm 2 \sqrt{2}$Check AnswerClear SelectionReveal AnswerShow Explanation
