Find the sum of the infinite geometric series:

MATHEMATICS · Multi-part · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

Find the sum of the infinite geometric series: (1) a

1.21 - 1.1 + 1 - \dots

(2) b

\frac{14}{3} + \frac{4}{3} + \frac{8}{21} + \dots