For which value of x, will the matrix given below become singular? [(8 x 0), (4 0 2), (12 6 0)]

Question

For which value of x, will the matrix given below become singular?

\( A = \begin{bmatrix} 8 & x & 0 \\[0.3em] 4 & 0 & 2 \\[0.3em] 12 & 6 & 0 \end{bmatrix}\)

(A) 2

(B) 4

(C) 6

(D) More than one of the above

(E) None of the above

Answer 1

Correct option is (B) 4