Which of the following matrices is the inverse of ?

MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices

Problem

Which of the following matrices is the inverse of

C=\begin{pmatrix}4&-3\\2&-1\end{pmatrix}

? (a)

\begin{pmatrix}-1&3\\-2&4\end{pmatrix}

(b)

\begin{pmatrix}-\dfrac12&\dfrac32\\-1&2\end{pmatrix}

(c)

\begin{pmatrix}\dfrac12&-\dfrac32\\1&-2\end{pmatrix}

(d)

\begin{pmatrix}-\dfrac14&\dfrac34\\-\dfrac12&1\end{pmatrix}