The sum of the terms of an infinite geometric progression is denoted by `S=(a)/(1-r)`, change the subject as r.

The sum of the terms of an infinite geometric progression is 3 and the sum of the squares of the terms is 81. Find the first term of the series.

The sum of the first ten terms of the geometric progression is S_(1) and the sum of the next ten terms (11 th term to 20 th term is S_(2) then the common ratio will be:

The sum of an infinite geometirc progression is 2 and the sum of the geometric progression made from the cubes of this infinite series is 24. Then find its first term and common ratio :-

The sum of first three terms of a geometric progression is 13/12 and their product is -1 Find geometric progression.

The sum of the infinite Arithmetico -Geometric progression3,4,4,… is _________.

The sum of the infinite Arithmetico -Geometric progression3,4,4,… is _________.