Geometric Sequences & Series (Edexcel A-Level Mathematics): Quizzes

Diverges

$S_n \to 1$ (converges)

$|r| < 1$

$S_{\infty} = \frac{a}{1-r}$

$r^n \to 0$

Converges

$9$

$r = 2$

$\frac{3}{4}$

$16$