Answer

问题及解答

$\int(1+x-\frac{1}{x})e^{x+\frac{1}{x}}dx$

Posted by haifeng on 2015-03-03 10:44:53 last update 2015-03-03 13:31:43 | Edit | Answers (0)

\[
\int(1+x-\frac{1}{x})e^{x+\frac{1}{x}}dx
\]


[Hint]

考虑 $de^{x+\frac{1}{x}}$, 然后可以迅速找到被积函数的原函数.