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1-decompose-inside-C-x-the-fraction-F-x-1-x-2-1-n-2-find-1-dx-x-2-1-n-




Question Number 136022 by mathmax by abdo last updated on 18/Mar/21
1)decompose inside C(x) the fraction F(x)=(1/((x^2  +1)^n ))  2) find ∫_1 ^∞  (dx/((x^2 +1)^n ))
$$\left.\mathrm{1}\right)\mathrm{decompose}\:\mathrm{inside}\:\mathrm{C}\left(\mathrm{x}\right)\:\mathrm{the}\:\mathrm{fraction}\:\mathrm{F}\left(\mathrm{x}\right)=\frac{\mathrm{1}}{\left(\mathrm{x}^{\mathrm{2}} \:+\mathrm{1}\right)^{\mathrm{n}} } \\ $$$$\left.\mathrm{2}\right)\:\mathrm{find}\:\int_{\mathrm{1}} ^{\infty} \:\frac{\mathrm{dx}}{\left(\mathrm{x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{n}} } \\ $$

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