Sequences & Series (AQA A-Level Mathematics): Quizzes

A list of numbers

8

Constant difference between terms

Constant factor between terms

Sum of terms of a sequence

$S_n = \frac{n}{2}(2a + (n-1)d)$

$S_n = a\frac{1-r^n}{1-r}$

When $|r| < 1$

10

Sum approaches a finite value