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Category: Integration

Question-222812

Question Number 222812 by MrGaster last updated on 08/Jul/25 Answered by MrGaster last updated on 08/Jul/25 $${x}=\mathrm{sinh}\:{u}\Rightarrow{dx}=\mathrm{cosh}\:{udu},\sqrt{\mathrm{1}+{u}^{\mathrm{2}} }=\mathrm{cosh}\:{u} \\ $$$${u}\mid_{{x}=\mathrm{0}} =\mathrm{0},{u}\mid_{{x}=\frac{\mathrm{1}}{\mathrm{2}}} =\mathrm{sinh}^{−\mathrm{1}} \left(\frac{\mathrm{1}}{\mathrm{2}}\right) \\ $$$${u}=\mathrm{sinh}^{−\mathrm{1}}…

Prove-J-0-2x-dx-1-

Question Number 222805 by MrGaster last updated on 08/Jul/25 $$\mathrm{Prove}:\int_{−\infty} ^{\infty} {J}_{\mathrm{0}} \left(\mathrm{2}{x}\right){dx}=\mathrm{1} \\ $$ Answered by MrGaster last updated on 08/Jul/25 $${J}_{\mathrm{0}} \left(\mathrm{2}{x}\right)=\frac{\mathrm{1}}{\mathrm{2}\pi}\int_{−\pi} ^{\pi}…

Question-222779

Question Number 222779 by mnjuly1970 last updated on 07/Jul/25 Answered by gabthemathguy25 last updated on 08/Jul/25 $$\mathrm{this}\:\mathrm{is}\:\mathrm{actually}\:\mathrm{hard}.. \\ $$$$\mathrm{im}\:\mathrm{approximating}\:\mathrm{this}. \\ $$$$\approx−\mathrm{0}.\mathrm{0491713} \\ $$ Terms of…

0-1-lnxarctanx-x-dx-

Question Number 222705 by MrGaster last updated on 05/Jul/25 $$\:\:\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}{x}\mathrm{arctan}{x}}{{x}}{dx} \\ $$ Answered by gabthemathguy25 last updated on 05/Jul/25 $${this}\:{is}\:{non}\:{elementary}\:{however}\:{i}\:{can}\:{still}\:{evaluate}\:{this} \\ $$$$\mathrm{tan}^{−\mathrm{1}} =\underset{{n}\:=\:\mathrm{0}}…

Prove-0-1-x-3-5-x-3-1-1-x-3-1-3-dx-10-1-3-2-3-3-pi-

Question Number 222607 by MrGaster last updated on 01/Jul/25 $$\mathrm{Prove}:\int_{\mathrm{0}} ^{\mathrm{1}} \frac{{x}^{\mathrm{3}} }{\mathrm{5}−{x}^{\mathrm{3}} }\centerdot\frac{\mathrm{1}}{\:\sqrt[{\mathrm{3}}]{\mathrm{1}−{x}^{\mathrm{3}} }}{dx}=\frac{\sqrt[{\mathrm{3}}]{\mathrm{10}}−\mathrm{2}}{\mathrm{3}\sqrt{\mathrm{3}}}\pi \\ $$ Answered by MrGaster last updated on 01/Jul/25 $${t}={x}^{\mathrm{3}}…