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If log, a + logo b+ log. c (base 6) = 6, a, b, c e N and a, b, c are in GP and b-a is square of an integer, then the value ofa + b - c is :(A) 21(B) 15(C)9(D) 3 |
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Answer» I think so B if it is CORRECT write but it WRONG so sorry sry |
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