Which one of the following matrices is singular?

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

Problem

Which one of the following

2\times 2

matrices is singular? (a)

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

(b)

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

(c)

\begin{pmatrix}3 & 6\\1 & 2\end{pmatrix}

(d)

\begin{pmatrix}2 & 3\\1 & 6\end{pmatrix}