In a geometric progression the common ratio is 2 and the sum of the first six terms…
MATHEMATICS · Multi-part · CBSE · Mathematics · Sequences and Series · Sequences and Series
Problem
In a geometric progression the common ratio is 2 and the sum of the first six terms is 189.
(i) Let a be the first term. Establish an equation satisfied by a using the data provided.
(ii) Find the value of a.
(iii) Calculate the seventh term and the sum of the first ten terms of the progression.