Consider . The entry in the first row and third column of…

MATHEMATICS · Single correct · CBSE · Mathematics · Determinants · Determinants

Problem

Consider A=(1200132−11)A=\begin{pmatrix}1&2&0\\0&1&3\\2&-1&1\end{pmatrix}. The entry in the first row and third column of A−1A^{-1} is (a) −38-\dfrac38 (b) 38\dfrac38 (c) 14\dfrac14 (d) 516\dfrac5{16}

Related theory

Browse the problem library