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Category: Integration

Question-206568

Question Number 206568 by universe last updated on 18/Apr/24 Answered by Berbere last updated on 19/Apr/24 $$\frac{{x}}{{n}}={y}\:\:{A}\left({n}\right)=\int_{\mathrm{0}} ^{{n}} \left(\frac{\mathrm{2}{nx}}{{x}^{\mathrm{2}} +{n}^{\mathrm{2}} }\right)^{{n}} {dx}={n}\int_{\mathrm{0}} ^{\mathrm{1}} \left(\frac{\mathrm{2}{y}}{\mathrm{1}+{y}^{\mathrm{2}} }\right)^{{n}}…

Question-206338

Question Number 206338 by mnjuly1970 last updated on 12/Apr/24 Answered by Sorena last updated on 12/Apr/24 $$\left[{x}\right]−\left[{x}^{\mathrm{2}} \right]\geqslant\mathrm{0}\:\rightarrow\:\left[{x}\right]\geqslant\left[{x}^{\mathrm{2}} \right]\:\rightarrow\:{x}\in\left[\mathrm{0},\sqrt{\mathrm{2}}\right) \\ $$ Terms of Service Privacy…

1-1-t-2-t-dt-

Question Number 206248 by MetaLahor1999 last updated on 10/Apr/24 $$\int\frac{\mathrm{1}}{\:\sqrt{\left(\mathrm{1}−{t}\right)\left(\mathrm{2}−{t}\right)}}{dt}=…? \\ $$ Answered by TonyCWX08 last updated on 10/Apr/24 $$\int\frac{\mathrm{1}}{\:\sqrt{{t}^{\mathrm{2}} −\mathrm{3}{t}+\mathrm{2}}}{dt} \\ $$$$=\int\frac{\mathrm{1}}{\:\sqrt{\left({t}−\frac{\mathrm{3}}{\mathrm{2}}\right)^{\mathrm{2}} −\frac{\mathrm{1}}{\mathrm{4}}}}{dt} \\…

xsinx-1-cosx-dx-

Question Number 206200 by Shrodinger last updated on 09/Apr/24 $$\int\frac{{xsinx}}{\mathrm{1}−{cosx}}{dx} \\ $$ Answered by Frix last updated on 09/Apr/24 $$\int\frac{{x}\mathrm{sin}\:{x}}{\mathrm{1}−\mathrm{cos}\:{x}}{dx}=\mathrm{i}\int\frac{{x}\left(\mathrm{e}^{\mathrm{i}{x}} +\mathrm{1}\right)}{\mathrm{e}^{\mathrm{i}{x}} −\mathrm{1}}{dx}= \\ $$$$=\mathrm{i}\int{xdx}+\mathrm{2i}\int\frac{{x}}{\mathrm{e}^{\mathrm{i}{x}} −\mathrm{1}}{dx}…