Menu Close

Category: Integration

x-2-3-x-6-x-2-1-dx-Is-there-any-special-method-of-decomposition-other-than-the-use-of-partial-fractions-

Question Number 105411 by Ar Brandon last updated on 28/Jul/20 $$\int\frac{{x}^{\mathrm{2}} +\mathrm{3}}{{x}^{\mathrm{6}} \left({x}^{\mathrm{2}} +\mathrm{1}\right)}\mathrm{d}{x} \\ $$$${I}\mathrm{s}\:{there}\:{any}\:{special}\:{method}\:{of}\:{decomposition} \\ $$$${other}\:{than}\:{the}\:{use}\:{of}\:{partial}\:{fractions}\:? \\ $$ Answered by Dwaipayan Shikari last…

find-ln-x-x-2-1-x-2-1-dx-2-calculate-2-5-ln-x-x-2-1-x-2-1-dx-

Question Number 39833 by math khazana by abdo last updated on 12/Jul/18 $${find}\:\:\int\:\:\:\:\frac{{ln}\left({x}+\sqrt{{x}^{\mathrm{2}} \:−\mathrm{1}}\right)}{\:\sqrt{{x}^{\mathrm{2}} −\mathrm{1}}}\:{dx} \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\int_{\mathrm{2}} ^{\mathrm{5}} \:\:\:\frac{{ln}\left({x}+\sqrt{{x}^{\mathrm{2}} \:−\mathrm{1}}\right.}{\:\sqrt{{x}^{\mathrm{2}} −\mathrm{1}}}{dx} \\ $$ Commented by…