Question Number 41343 by maxmathsup by imad last updated on 05/Aug/18 $${calculate}\:\:\:\:\int\int_{{D}} \:\left({x}^{\mathrm{2}} −{y}^{\mathrm{2}} \right){dxdy}\:\:{with} \\ $$$${D}\:=\:\left[−\mathrm{1},\mathrm{1}\right]^{\mathrm{2}} \\ $$ Commented by maxmathsup by imad last…
Question Number 41326 by Fawomath last updated on 05/Aug/18 $${Evaluate}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} {x}^{\mathrm{3}} {sec}^{\mathrm{5}} {x}\:{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 106867 by Penguin last updated on 07/Aug/20 $$\forall{n}\in\left(\mathrm{0},\:\mathrm{1}\right)\forall{x}\in\mathbb{R}\::\:{f}\left({x}\right)\:=\:\frac{{n}}{{n}−\mathrm{1}}{x}+{n} \\ $$$$\mathrm{The}\:\mathrm{given}\:\mathrm{function}\:\mathrm{gives}\:\mathrm{a}\:\mathrm{linear}\:\mathrm{line}\:\mathrm{that} \\ $$$$\mathrm{goes}\:\mathrm{through}\:\mathrm{points}\:\left(\mathrm{0},\:{n}\right)\:\mathrm{and}\:\left(\mathrm{1}−{n},\:\mathrm{0}\right). \\ $$$$\mathrm{The}\:\mathrm{function}\:\mathrm{changes}\:\mathrm{as}\:{n}\:\mathrm{changes}. \\ $$$$\mathrm{What}\:\mathrm{area}\:\mathrm{is}\:\mathrm{beneath}\:\mathrm{the}\:\mathrm{shape}\:\mathrm{made}\:\mathrm{as} \\ $$$${n}\:\mathrm{goes}\:\mathrm{from}\:\mathrm{0}\rightarrow\mathrm{1}? \\ $$ Commented by Penguin…
Question Number 41302 by math khazana by abdo last updated on 05/Aug/18 $${calculate}\:\:\int_{\mathrm{1}} ^{+\infty} \:\:\frac{{dx}}{{x}^{\mathrm{2}} \sqrt{{x}^{\mathrm{2}} +{x}+\mathrm{1}}} \\ $$ Commented by maxmathsup by imad last…
Question Number 106830 by malwaan last updated on 08/Aug/20 $$\int\frac{\:{dx}}{\:\sqrt{{x}^{\mathrm{3}} \:}\:\:^{\mathrm{3}} \sqrt{\mathrm{1}\:+\:^{\mathrm{4}} \sqrt{{x}^{\mathrm{3}} }}}\:=\:? \\ $$ Commented by mathmax by abdo last updated on 07/Aug/20…
Question Number 41301 by math khazana by abdo last updated on 05/Aug/18 $${let}\:{f}\left({x}\right)=\int_{\mathrm{0}} ^{\infty} \:\:{e}^{−{ax}} {ln}\left(\mathrm{1}+{e}^{−{bx}} \right){dx}\:{with}\:{a}>\mathrm{0}\:{and} \\ $$$${b}>\mathrm{0} \\ $$$$\left.\mathrm{1}\right)\:{calculate}\:\frac{\partial{f}}{\partial{a}}\left({x}\right) \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\frac{\partial{f}}{\partial{b}}\left({x}\right) \\ $$$$\left.\mathrm{3}\right){find}\:{the}\:{value}\:{of}\:\int_{\mathrm{0}}…
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Question Number 172352 by Mikenice last updated on 25/Jun/22 Answered by Mathspace last updated on 26/Jun/22 $$\int_{\mathrm{0}} ^{\infty} \:{x}^{\mathrm{6}} {e}^{−{x}} {cosx}\:{dx}={Re}\left(\int_{\mathrm{0}} ^{\infty} {x}^{\mathrm{6}} {e}^{−{x}+{ix}} {dx}\right)\:…
Question Number 41280 by math khazana by abdo last updated on 04/Aug/18 $${find}\:\:{f}\left({x}\right)\:=\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\:{arctan}\left({xt}^{\mathrm{2}} \right){dt} \\ $$ Commented by math khazana by abdo last…