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x-x-1-x-2-




Question Number 12275 by @ANTARES_VY last updated on 17/Apr/17
∮(x)=(x/(1−x)).     ∮′(2)=?.
$$\oint\left(\boldsymbol{\mathrm{x}}\right)=\frac{\boldsymbol{\mathrm{x}}}{\mathrm{1}−\boldsymbol{\mathrm{x}}}.\:\:\:\:\:\oint'\left(\mathrm{2}\right)=?. \\ $$

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