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# Taylor Series for $\cfrac { { x }^{ n } }{ n! }$

APCALC-LEJNKZ

$$\sum _{ n=0 }^{ \infty }{ \cfrac { { x }^{ n } }{ n! } }$$

...is the Taylor series about $x = 0$ for which of the following functions?

A

$\ln x$

B

$\cfrac{1}{x}$

C

$e^x$

D

$\sin x$