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e-tan-1-x-1-x-x-2-x-2-1-dx-




Question Number 151586 by peter frank last updated on 22/Aug/21
∫e^(tan^(−1) x) (((1+x+x^2 )/(x^2 +1)))dx
$$\int\mathrm{e}^{\mathrm{tan}^{−\mathrm{1}} \mathrm{x}} \left(\frac{\mathrm{1}+\mathrm{x}+\mathrm{x}^{\mathrm{2}} }{\mathrm{x}^{\mathrm{2}} +\mathrm{1}}\right)\mathrm{dx} \\ $$

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