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Let S be the sum P the product and R the...

Let S be the sum P the product and R the sum of reciprocals of n terms in a G.P. Then prove that `P^2R^n=S^n`

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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
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  7. If a and b are the roots of x^2-3x+p=0 and c,d are the roots of x^2-12...

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