1.

\({\rm{\;}}\smallint \frac{{dx}}{{{e^x} - 1}}{\rm{\;}}\)is equal to

A. \({\rm{\;}}Log\left( {{e^x} - 1} \right)\)
B. \({\rm{\;}}Log\left( {1 - {e^x}} \right)\)
C. \({\rm{\;}}Log\left( {{e^{ - x}} - 1} \right)\)
D. \({\rm{\;}}Log\left( {1 - {e^{ - x}}} \right)\)
Answer» E.


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