An arithmetic progression has first term 5 and common difference 4
MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series
Problem
An arithmetic progression has first term 5 and common difference 4, while a geometric progression has first term 5 and common ratio 3.
(i) Find the sum of the first 6 terms of the AP.
(ii) Find the sum of the first 6 terms of the GP.
(iii) Determine the ratio SGPSAP in its simplest form.