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AP® Calculus AB-BC

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Moderate

Values Of Convergence

APCALC-LWLSYA

Find all values of $x$ for which the series:

$$\sum _{ n=0 }^{ \infty }{ \left( \cfrac { x }{ 2 } \right) ^{ n } } $$

...converges.

A

$ (-2, 2)$

B

$ [-2, 2]$

C

$ (-1, 1)$

D

$ [-1, 1]$