Let S be the sum, P be the product and R be the sum of reciprocals of n terms in - Maths - Sequences and Series

Question

Let S be the sum, P be the product and R be the sum of
reciprocals of n terms in a G P Prove that
P2Rn = Sn

A K Daya Sir · Accepted Answer

<img src="http://oi44%20tinypic%20com/34y9yjk%20jpg">
Sn = Rn p2

Let S be the sum, P be the product and R be the sum of reciprocals of n terms in a G.P. Prove that P2Rn = Sn