Geometric Sequences (AQA A-Level Mathematics): Quizzes

Common ratio between terms

Divide a term by its previous term

$u_n = ar^{n-1}$

$2$

$u_n = 5^{n-1}$

$-4$

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

$ar^2$

Divide $ar^4$ by $ar$

Logarithms