Let . For which value of is the matrix…

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

Problem

Let

A=\begin{pmatrix}k & 1 & 2\\ 3 & 4 & 5\\ 6 & 7 & 8\end{pmatrix}

. For which value of

k

is the matrix

A

singular? (a)

k=4

(b)

k=0

(c)

k=-4

(d)

k=-2