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Category: Integration

1-decompose-inside-C-x-and-R-x-the-fraction-F-x-2x-1-x-2-1-3-x-1-2-2-find-the-value-of-3-F-x-dx-

Question Number 82434 by mathmax by abdo last updated on 21/Feb/20 $$\left.\mathrm{1}\right){decompose}\:{inside}\:{C}\left({x}\right){and}\:{R}\left({x}\right)\:{the}\:{fraction} \\ $$$${F}\left({x}\right)=\frac{\mathrm{2}{x}+\mathrm{1}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{3}} \left({x}−\mathrm{1}\right)^{\mathrm{2}} } \\ $$$$\left.\mathrm{2}\right)\:{find}\:{the}\:{value}\:{of}\:\:\int_{\mathrm{3}} ^{+\infty} {F}\left({x}\right){dx} \\ $$ Terms of…

1-decompose-inside-C-x-and-R-x-F-1-x-2-x-1-2-2-calculate-0-dx-x-2-x-1-2-

Question Number 82433 by mathmax by abdo last updated on 21/Feb/20 $$\left.\mathrm{1}\right){decompose}\:{inside}\:{C}\left({x}\right){and}\:{R}\left({x}\right)\:{F}=\frac{\mathrm{1}}{\left({x}^{\mathrm{2}} +{x}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$$$\left.\mathrm{2}\right){calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{dx}}{\left({x}^{\mathrm{2}} +{x}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$ Commented by mathmax…

sin-x-cos-sin-x-dx-

Question Number 82391 by jagoll last updated on 21/Feb/20 $$\int\:\mathrm{sin}\:{x}\:\mathrm{cos}\:\left(\mathrm{sin}\:{x}\right)\:{dx}\:? \\ $$ Commented by M±th+et£s last updated on 21/Feb/20 $${i}\:{think}\:{that}\:{its}\:{special}\:{integral} \\ $$$${cos}\left({sin}\left({x}\right)\right)=\mathrm{1}−\frac{{sin}^{\mathrm{2}} \left({x}\right)}{\mathrm{2}{i}}+\frac{{sin}^{\mathrm{4}} \left({x}\right)}{\mathrm{4}{i}}−\frac{{sin}^{\mathrm{6}} \left({x}\right)}{\mathrm{6}{i}}+……

x-e-x-dx-

Question Number 16839 by arnabpapu550@gmail.com last updated on 27/Jun/17 $$\int\mathrm{x}^{\mathrm{e}^{\mathrm{x}} } \mathrm{dx} \\ $$ Commented by prakash jain last updated on 01/Jul/17 $$\mathrm{This}\:\mathrm{does}\:\mathrm{not}\:\mathrm{integrate}\:\mathrm{to}\:\mathrm{a}\:\mathrm{standard} \\ $$$$\mathrm{function}.…

Question-82330

Question Number 82330 by Power last updated on 20/Feb/20 Commented by mathmax by abdo last updated on 20/Feb/20 $${let}\:{I}\:=\int{x}^{\mathrm{2}} \sqrt{{a}^{\mathrm{2}} +{x}^{\mathrm{2}} }{dx}\:\:{changement}\:{x}={ash}\left({t}\right)\:{give} \\ $$$${I}\:=\int\:{a}^{\mathrm{2}} {sh}^{\mathrm{2}}…