The 6th term of a geometric progression is 486 and the sum of the first six terms is 728

MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series

Problem

The 6th term of a geometric progression is 486 and the sum of the first six terms is 728. What is the first term of the progression? (a)

3

(b)

12

(c)

2

(d)

6