If are in GP

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

Problem

a_1,a_2,a_3,\dots,a_n,\dots

are in GP, then the determinant

\Delta=\begin{vmatrix}\log a_n&\log a_{n+1}&\log a_{n+2}\\\log a_{n+3}&\log a_{n+4}&\log a_{n+5}\\\log a_{n+6}&\log a_{n+7}&\log a_{n+8}\end{vmatrix}

is equal to (1)

1

(2)

0

(3)

4

(4)

2