The sum of the first terms of an arithmetic progression with first term and common…

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

Problem

The sum of the first

n

terms of an arithmetic progression with first term

2

and common difference

2

110

. What is the value of

n

? (a)

11

(b)

7

(c)

10

(d)

9