\[\int_{{}}^{{}}{\frac{dx}{{{e}^{-2x}}{{({{e}^{2x}}+1)}^{2}}}=}\] – McqOptions

MCQOPTIONS

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

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