An arithmetic progression has first term and common difference
MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series
Problem
An arithmetic progression has first term 5 and common difference 3. A geometric progression has first term 5 and common ratio 2.
(a) Find the sum of the first four terms of the arithmetic progression.
(b) Find the sum of the first four terms of the geometric progression.
(c) State which of the two sums obtained above is greater.