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0-xdx-e-x-1-




Question Number 21401 by math1967 last updated on 23/Sep/17
∫_0 ^∞ ((xdx)/(e^x +1))=?
$$\underset{\mathrm{0}} {\overset{\infty} {\int}}\frac{{xdx}}{{e}^{{x}} +\mathrm{1}}=? \\ $$

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