Infinite Series (Grade 12 NSC Matric Mathematics): Quizzes

The sum can approach a finite value

Sum approaches a certain value; has limit

$-1 < r < 1$

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

$27$

No, it diverges

Never; they tend to $\pm\infty$

$\frac{5}{9}$

$\frac{1}{3}$

$r^n$ approaches $0$