The first term of an arithmetic progression is 4 and its common difference is 7.
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
The first term of an arithmetic progression is 4 and its common difference is 7.
(i) Form an equation by equating the nth term of this progression to 150.
(ii) Solve the equation obtained in part (i) for n.
(iii) State, with reason, whether 150 is actually a term of the given progression.