For the matrix

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

Problem

For the matrix

A = \begin{pmatrix} a & b \\ c & d \end{pmatrix}

, under which of the following conditions is

A

singular? (a)

ad + bc = 0

(b)

a + d = 0

(c)

ad - bc = 0

(d)

ab + cd = 0