Let S be the sum, P the product and R the sum of reciprocals of terms in a G.P

MATHEMATICS · Subjective · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

7. Let S be the sum, P the product and R the sum of reciprocals of

n

terms in a G.P. Prove that

\mathrm{P}^{2} \mathrm{R}^{n}=\mathrm{S}^{n}