The sum to infinity of a geometric series is 32. The sum of the first four terms is 30 and all the terms are positive.Find the difference between the sum to infinity and the sum of the first eight terms

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

The sum of the first four terms of a geometric series is 520. The sum of the first five terms is 844. The sum of the first six terms is 1330. (a) Find the common ratio of the geometric progression.(b) Find the sum of the first two terms.

The sum of the first five terms of a geometric series is 189, the sum of the first six terms is 381, and the sum of the first seven terms is 765. What is the common ratio in this series.

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 eight terms of a G.P. is five xx the sum of the first four terms; then the common ratio is

The sum to infinity of a G.P.is 4 times the first term.Then the common ratio

If the sum of the first four terms of an AP is 40 and the sum of the first fourteen terms of an AP is 280. Find the sum of first n terms of the A.P.

The sum of the first 2012 terms of a geometric progression is 200. The sum of the first 4024 terms of the same series is 380. Find the sum of the first 6036 terms of the series.

The sum of the first 2012 terms of a geometric progression is 200. The sum of the first 4024 terms of the same series is 380. Find the sum of the first 6036 terms of the series. O 500

In a geometric prograssion the sum of first 3 terms is 7 and the sum of next 3 terms is 56 . Find the geometric prograssion.