\[\int_{{}}^{{}}{\left( 1+x+\frac{{{x}^{2}}}{2\ !}+\frac{{{x}^{3}}}{3\ !}+.......... \right)\ dx=}\]

\[\int_{{}}^{{}}{\left( 1+x+\frac{{{x}^{2}}}{2\ !}+\frac{{{x}^{3}}}{3\

1.	\[\int_{{}}^{{}}{\left( 1+x+\frac{{{x}^{2}}}{2\ !}+\frac{{{x}^{3}}}{3\ !}+.......... \right)\ dx=}\]
A.	\[-{{e}^{x}}+c\]
B.	\[{{e}^{x}}+c\]
C.	\[{{e}^{-x}}+c\]
D.	\[-{{e}^{-x}}+c\]
Answer» C. \[{{e}^{-x}}+c\]

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\[\int_{{}}^{{}}{\left( 1+x+\frac{{{x}^{2}}}{2\ !}+\frac{{{x}^{3}}}{3\ !}+.......... \right)\ dx=}\]

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