Question

If p^th, q^th, and r^th terms of an A.P. and G.P. are both a, b and c respectively, show that

a^b–c . b^{c – a} . c^{a – b} = 1

Answer 1

Let A and d be the first term and common difference of A.P.,respectively. Also, let B and R be the first term and common ratio of G.P., respectively

It is given that,