The 3rd term of a geometric progression is 48 while the 6th term is −384.

MATHEMATICS · Multi-part · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

The 3rd term of a geometric progression is 48 while the 6th term is −384. (i) Determine the common ratio. (ii) Find the first term. (iii) Using the above results, calculate the sum of the first six terms.

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