If the first and the term of a G.P

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

Problem

23. If the first and the

n^{\text {th }}

term of a G.P. are

a

and

b

, respectively, and if P is the product of

n

terms, prove that

\mathrm{P}^{2}=(a b)^{n}