Sequence and series
Rushabh Jain last edited by
If there are n quantities in geometric progression whose common ratio is r and Sm denotes the sum of first m terms show that the sum of these m terms taken two and two is (r/r+1)(Sm)(Sm-1).
ashish deo singh last edited by
Your question is not clear.
Anyways i am giving some solution.
Mohd sabir Shaikh last edited by Mohd sabir Shaikh