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Category: Integration

let-f-x-2-x-1-2x-1-find-D-f-2-study-the-variation-of-f-x-3-calculate-1-3-f-x-dx-4-determine-f-1-x-and-calculate-1-3-f-1-x-dx-5-find-the-values-of-A-1-3-f

Question Number 42631 by maxmathsup by imad last updated on 29/Aug/18 $${let}\:{f}\left({x}\right)=\mathrm{2}\sqrt{{x}−\mathrm{1}}\:−\mathrm{2}{x} \\ $$$$\left.\mathrm{1}\right)\:{find}\:{D}_{{f}} \\ $$$$\left.\mathrm{2}\right)\:{study}\:{the}\:{variation}\:{of}\:{f}\left({x}\right) \\ $$$$\left.\mathrm{3}\:\right)\:{calculate}\:\:\int_{\mathrm{1}} ^{\mathrm{3}} \:{f}\left({x}\right){dx} \\ $$$$\left.\mathrm{4}\right)\:{determine}\:{f}^{−\mathrm{1}} \left({x}\right)\:{and}\:{calculate}\:\:\:\int_{\mathrm{1}} ^{\mathrm{3}} \:{f}^{−\mathrm{1}}…

BeMath-x-5-x-x-8-1-dx-

Question Number 108169 by bemath last updated on 15/Aug/20 $$\:\:\:\:\:\:\frac{\checkmark\mathcal{B}{e}\mathcal{M}{ath}\checkmark}{\succ\prec} \\ $$$$\int\:\frac{{x}^{\mathrm{5}} −{x}}{{x}^{\mathrm{8}} −\mathrm{1}}\:{dx}\:? \\ $$ Answered by Dwaipayan Shikari last updated on 15/Aug/20 $$\int\frac{{x}\left({x}^{\mathrm{4}}…

calculate-I-pi-3-pi-2-cos-2x-sin-x-cosx-dx-and-J-pi-3-pi-2-sin-2x-sin-x-cos-x-dx-

Question Number 42628 by prof Abdo imad last updated on 29/Aug/18 $${calculate}\:\:{I}\:\:=\:\int_{\frac{\pi}{\mathrm{3}}} ^{\frac{\pi}{\mathrm{2}}} \:\:\:\:\:\frac{{cos}\left(\mathrm{2}{x}\right)}{{sin}\left({x}\right)+{cosx}}{dx}\:{and} \\ $$$${J}\:=\int_{\frac{\pi}{\mathrm{3}}} ^{\frac{\pi}{\mathrm{2}}} \:\:\:\frac{{sin}\left(\mathrm{2}{x}\right)}{{sin}\left({x}\right)\:+{cos}\left({x}\right)}{dx} \\ $$ Commented by maxmathsup by imad…

find-th-x-dx-

Question Number 42621 by maxmathsup by imad last updated on 29/Aug/18 $${find}\:\int\:{th}\left({x}\right){dx}\: \\ $$ Commented by maxmathsup by imad last updated on 30/Aug/18 $${let}\:{I}\:\:=\:\int\:{th}\left({x}\right)\Rightarrow\:{I}\:=\int\:\:\:\frac{{sh}\left({x}\right)}{{ch}\left({x}\right)}{dx}\:=\int\:\:\:\frac{{e}^{{x}} −{e}^{−{x}}…

let-f-x-arctan-xt-2-1-2t-2-dt-1-find-a-explicite-form-of-f-x-2-calculate-0-arctan-t-2-1-2t-2-dt-and-0-arctan-2t-2-1-2t-2-dt-

Question Number 42605 by maxmathsup by imad last updated on 28/Aug/18 $${let}\:{f}\left({x}\right)\:=\:\int_{−\infty} ^{+\infty} \:\:\:\frac{{arctan}\:\left({xt}^{\mathrm{2}} \right)}{\mathrm{1}+\mathrm{2}{t}^{\mathrm{2}} }{dt} \\ $$$$\left.\mathrm{1}\right)\:{find}\:{a}\:{explicite}\:{form}\:{of}\:{f}\left({x}\right) \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{arctan}\left({t}^{\mathrm{2}} \right)}{\mathrm{1}+\mathrm{2}{t}^{\mathrm{2}} }{dt}\:\:{and}\:\int_{\mathrm{0}} ^{\infty}…