G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is

G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is

2) G1,G2,…,Gn are said to be n geometric means between a and b if a,G1,…Gn,b is

3) Sum of n terms of G.P is

4) If a = 3, r = 2, then nth term of G.P is

5) If a,d and Sn are first term, common difference and sum of first nth terms of series, then Sb =