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Category: Integration

0-1-1-2-x-ln-1-x-dx-x-2-x-1-

Question Number 103196 by bobhans last updated on 13/Jul/20 $$\underset{\mathrm{0}} {\overset{\mathrm{1}} {\int}}\:\frac{\left(\frac{\mathrm{1}}{\mathrm{2}}−{x}\right)\:\mathrm{ln}\left(\mathrm{1}−{x}\right)\:{dx}}{{x}^{\mathrm{2}} −{x}+\mathrm{1}}\:? \\ $$ Answered by bramlex last updated on 13/Jul/20 $$\mathrm{replace}\:\mathrm{x}\:\mathrm{with}\:\mathrm{1}−\mathrm{x}\: \\ $$$$\mathrm{I}\:=\:\underset{\mathrm{0}}…

find-dx-x-x-1-x-2-

Question Number 37630 by math khazana by abdo last updated on 16/Jun/18 $${find}\:\:\int\:\:\:\:\:\:\:\:\frac{{dx}}{\:\sqrt{{x}}\:\:+\sqrt{{x}+\mathrm{1}}\:+\sqrt{{x}+\mathrm{2}}} \\ $$ Answered by Ahmed Neutron last updated on 16/Jun/18 $$\int\left(\frac{\sqrt{{x}}}{{dx}}\right)^{−\mathrm{1}} +\int\left(\frac{\sqrt{{x}+\mathrm{1}}}{{dx}}\right)^{−\mathrm{1}}…

0-1-logxlog-1-x-dx-

Question Number 103154 by Dwaipayan Shikari last updated on 13/Jul/20 $$\int_{\mathrm{0}} ^{\mathrm{1}} {logxlog}\left(\mathrm{1}−{x}\right){dx} \\ $$ Answered by OlafThorendsen last updated on 13/Jul/20 $$\mathrm{I}\:=\:\int_{\mathrm{0}} ^{\mathrm{1}} \mathrm{ln}{x}\mathrm{ln}\left(\mathrm{1}−{x}\right){dx}…

let-give-n-inyehr-natural-1-find-tbe-value-of-A-n-0-dx-x-2-1-x-2-2-x-2-n-

Question Number 37601 by prof Abdo imad last updated on 15/Jun/18 $${let}\:{give}\:{n}\:{inyehr}\:{natural}\geqslant\mathrm{1}\:{find}\:{tbe}\:{value}\:{of} \\ $$$${A}_{{n}} =\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\:\:\:\frac{{dx}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)\left({x}^{\mathrm{2}\:} +\mathrm{2}\right)….\left({x}^{\mathrm{2}} \:+{n}\right)} \\ $$ Commented by math…