In an arithmetic progression the 8th term is 17 and the 15th term is 38
MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series
Problem
In an arithmetic progression the 8th term is 17 and the 15th term is 38.
(i) Determine the first term and the common difference of the progression.
(ii) Using the values found in part (i), calculate the 30th term.
(iii) Find the difference between the 30th term and the 20th term of this progression.