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Category: Integration

dx-1-tan-2-x-

Question Number 160594 by cortano last updated on 03/Dec/21 $$\:\:\:\:\int\:\frac{\mathrm{dx}}{\mathrm{1}−\mathrm{tan}\:^{\mathrm{2}} \left(\mathrm{x}\right)}\:=? \\ $$ Answered by Mathspace last updated on 03/Dec/21 $${w}=\int\:\:\frac{{dx}}{\mathrm{1}−{tan}^{\mathrm{2}} {x}}\:{we}\:{do}\:{the}\:{changement} \\ $$$${tanx}={t}\:\Rightarrow{w}=\int\:\:\frac{{dt}}{\left(\mathrm{1}+{t}^{\mathrm{2}} \right)\left(\mathrm{1}−{t}^{\mathrm{2}}…

x-6-1-x-2-1-

Question Number 29517 by yesaditya22@gmail.com last updated on 09/Feb/18 $$\int\mathrm{x}^{\mathrm{6}} −\mathrm{1}/\mathrm{x}^{\mathrm{2}} +\mathrm{1} \\ $$ Commented by abdo imad last updated on 09/Feb/18 $${let}\:{put}\:{I}=\:\int\:\frac{{x}^{\mathrm{6}} −\mathrm{1}}{{x}^{\mathrm{2}} +\mathrm{1}}{dx}\:=\:\int\:\frac{{x}^{\mathrm{6}}…

le-give-A-n-0-pi-2-sin-2n-1-x-sinx-dx-and-B-n-0-pi-2-sin-2-nx-sin-2-x-dx-1-calculate-A-n-2-prove-that-B-n-1-B-n-A-n-1-then-find-B-n-

Question Number 29506 by abdo imad last updated on 09/Feb/18 $${le}\:{give}\:\:{A}_{{n}} =\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \:\:\frac{{sin}\left(\left(\mathrm{2}{n}−\mathrm{1}\right){x}\right)}{{sinx}}{dx}\:{and}\:{B}_{{n}} =\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \:\frac{{sin}^{\mathrm{2}} \left({nx}\right)}{{sin}^{\mathrm{2}} {x}}{dx} \\ $$$$\left.\mathrm{1}\right){calculate}\:{A}_{{n}} \\ $$$$\left.\mathrm{2}\right){prove}\:{that}\:{B}_{{n}+\mathrm{1}} −{B}_{{n}} =\:{A}_{{n}+\mathrm{1}}…

x-x-x-dx-

Question Number 160563 by qaz last updated on 02/Dec/21 $$\int\mathrm{x}\left\{\mathrm{x}\right\}\left[\mathrm{x}\right]\mathrm{dx}=? \\ $$ Answered by mr W last updated on 02/Dec/21 $$\left[{x}\right]={n} \\ $$$$\left\{{x}\right\}={x}−{n} \\ $$$$\int{x}\left\{{x}\right\}\left[{x}\right]{dx}…

0-arctg-x-1-x-dx-x-1-4-

Question Number 160556 by amin96 last updated on 01/Dec/21 $$\int_{\mathrm{0}} ^{\infty} \frac{\boldsymbol{\mathrm{arctg}}\left(\boldsymbol{\mathrm{x}}\right)}{\mathrm{1}+\boldsymbol{\mathrm{x}}}\centerdot\frac{\boldsymbol{\mathrm{dx}}}{\:\sqrt[{\mathrm{4}}]{\boldsymbol{\mathrm{x}}}}=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

1-x-1-x-2-x-3-x-4-dx-

Question Number 95012 by  M±th+et+s last updated on 22/May/20 $$\int\frac{\mathrm{1}}{\:\sqrt{\left({x}−\mathrm{1}\right)\left({x}−\mathrm{2}\right)\left({x}−\mathrm{3}\right)\left({x}−\mathrm{4}\right)}}{dx} \\ $$ Commented by mathmax by abdo last updated on 23/May/20 $$\mathrm{its}\:\mathrm{seems}\:\mathrm{that}\:\mathrm{integral}\:\mathrm{is}\:\mathrm{elliptic} \\ $$ Terms…