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If a1,a2,a3,.....an.... are in G.P. then...

If `a_1,a_2,a_3,.....a_n....` are in G.P. then the determinant `Delta=|[log a_n, log a_(n+1), log a_(n+2)],[log a_(n+3),loga_(n+4),log a_(n+5)],[log a_(n+6),log a_(n+7),log a_(n+8)]|` is equal to- (A) -2 (B) 1 (C) -1 (D) 0

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