The 7th term of an arithmetic progression (AP) is 22 and the 12th term is 37
MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series
Problem
The 7th term of an arithmetic progression (AP) is 22 and the 12th term is 37. Which one of the following pairs of simultaneous equations correctly relates the first term a and the common difference d?
(a) a+7d=22,a+12d=37
(b) a+6d=37,a+11d=22
(c) a+6d=22,a+11d=37
(d) a+6d=22,a+12d=37