When `r ne 1`, the formula for finding sum to n terms of a G.P. is ……..

When r = 1 , the formula for finding sum to n terms of a G.P. is …….

Sum of n-terms of a G.P. is ___.

Find the sum of first n terms of the G.P. 256, 64, 16,…

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

The common ratio, last term and sum of n terms of a G.P. are 2, 128 and 255 respectively. Find the value of n.

The common ratio, last term and sum of n terms of a G.P. are 2, 128 and 255 respectively. Find the value of n.

Show that the ratio of the sum of first n terms of a G.P. and the sum of (n+1)th term to (2n)th term is (1)/(r^(n)) .

Show that the ratio of the sum of first n terms of a G.P. to the sum of terms from (n+1) to (2n) terms is (1)/(r^(n))

Show that the ratio of the sum of first n terms of a G.P. and the sum of (n+1)th term to (2n)th term is (1)/(r^(n)) .