For the matrix

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

Problem

For the matrix

B=\begin{pmatrix}5 & -2\\3 & 4\end{pmatrix}

, the

(2,1)

element of

B^{-1}

is (a)

\dfrac{3}{26}

(b)

-\dfrac{3}{20}

(c)

-\dfrac{3}{26}

(d)

-\dfrac{5}{26}