A sequence has first term 3 and each subsequent term increases by 4.
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
A sequence has first term 3 and each subsequent term increases by 4.
(i) Find the 25th term of the sequence.
(ii) Find the 100th term of the sequence.
(iii) Determine whether there is a term whose value is 251. If so, find its position in the sequence; if not, state why.