In an AP, the 7th term is and the 20th term is…

MATHEMATICS · Multi-part · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

In an AP, the 7th term is

2

and the 20th term is

47

. (i) Find the first term

a

and the common difference

d

. (ii) Using the values of

a

and

d

, find the 30th term of the AP.