Question

the 2nd term of gp is 6 and it's 5th term is 81/4 find the sum of first six terms​

Answer 1

Answer:

First term of G.P =a=16 5th term ar^4=81=>r^4 =81/16 =r=3/2 4th ... Using the nth term formula , we get ... The sum of the first two terms of a GP is 5/2, and the sum of its first four terms is ...