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If the first and the n^("th") term of a...

If the first and the `n^("th")` term of a G.P. are a and b, respectively, and if P is the product of n terms, prove that `P^2 = (ab)^n`.

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PATHFINDER-SEQUENCES AND SERIES-QUESTION BANK
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  9. Find the sum of n terms of the series 3+7+14+24+37+.....

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