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Series

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Evaluate the infinite geometric series: 2 + 1/8 + 1/128 + ...

Feb 4, 2022

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The sum is $$a\over{1-r}$$

$$a$$ = first term

$$r$$ = common ratio

So the sum is... $$2\over{1-{1\over16}}$$ = $$\color{brown}\boxed{2 {2\over15}}$$

Feb 4, 2022