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8 years, 1 month ago
8 years, 1 month ago
Let us take x, y, z to be k/r, k, kr respectively.
a^x = b^y = c^y implies a^(k/r) = b^k = c^(kr)
If we take logarithm for all we get,
(k/r) loga = k logb = kr logc
(1/r) loga = logb = r logc
a^(1/r) = b = c^r
Clearly we can observe that a, c, b follow No Progression among AP, GP and HP.
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