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posted by Amit on Wednesday, July 30, 2014 at 11:04pm.
if 4,2x-4,......,64,21x+2 are the terms of GP . find the value of x ?
if GP , then (2x-4)/4 = (21x+2)/64 128x-256 = 84x + 8 44x = 264 x = 6 check: 4, 8, ... , 64, 128 YUP, common ratio of 2
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