If S is the sum to infinite terms of a G.P. whose first term is 1. Then the sum of n terms is

If S is the sum to infinite terms of a G.P whose first term is 'a', then the sum of the first n terms is

If S is the sum to infinite terms of a G.P.whose first term is 'a',then the sum of the first n terms is

If 2 is the sum to infinity of a G.P, whose first element is 1, then the sum of the first n terms is

If |r|<1, then the sum of infinite terms of G.P is

Find the sum of an infinite G.P. whose first term is 28 and the second term is 4.

Sum to infinite number of terms of a G.P. is ….

The sum of the first n terms of an A.P.Whose first term pi is zero.The sum of the next m terms is:

Find the sum of first 10 terms of a G.P whose 3^(rd) term is 12 and the 8^(th) term is 384.

if S_(n) denotes the sum of n terms of a G.P whose first term is a and common ratio is r then find the sum of S_(1),S_(3),S_(5).........,S_(2)n-1