In a G.P. the first term is 6. The sum of its first three terms is 42. If the common…

MATHEMATICS · Single correct · CBSE · Mathematics · Sequences and Series · Sequences and Series

Problem

In a G.P. the first term is 6. The sum of its first three terms is 42. If the common ratio is positive, find its value. (a)

3

(b)

\sqrt{7}\,(\approx 2.646)

(c)

2

(d)

1.5