Consider the arithmetic sequence 12, 19, 26, 33, ...
MATHEMATICS · Multi-part · A Level · Mathematics · Sequences and series · Sequences and series
Problem
Consider the arithmetic sequence 12, 19, 26, 33, ...
(1) Find the 8th term of the sequence.
(2) Find the sum of the first 10 terms of the sequence.
(3) The sum of the first n terms is 915. Find the value of n .