Question Number 87556 by M±th+et£s last updated on 05/Apr/20 Commented by jagoll last updated on 05/Apr/20 $$\mathrm{x}^{\mathrm{3}} −\mathrm{2x}^{\mathrm{2}} +\mathrm{7x}−\mathrm{1}\:=\:\mathrm{a}\left(\mathrm{x}−\mathrm{2}\right)^{\mathrm{2}} + \\ $$$$\mathrm{b}\left(\mathrm{x}−\mathrm{3}\right)\left(\mathrm{x}−\mathrm{2}\right)^{\mathrm{2}} +\mathrm{c}\left(\mathrm{x}−\mathrm{3}\right)^{\mathrm{2}} \left(\mathrm{x}−\mathrm{2}\right)^{\mathrm{2}} +…
Question Number 87543 by Power last updated on 04/Apr/20 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 87538 by Power last updated on 04/Apr/20 Commented by mathmax by abdo last updated on 04/Apr/20 $${I}\:=\int_{−\mathrm{1}} ^{\mathrm{1}} \:{f}^{−\mathrm{1}} \left({x}\right){dx}\:\:\:{changement}\:{f}^{−\mathrm{1}} \left({x}\right)={t}\:{give}\:{x}\:={f}\left({t}\right)\Rightarrow \\ $$$${dx}\:={f}^{'}…
Question Number 87540 by Power last updated on 04/Apr/20 Commented by abdomathmax last updated on 05/Apr/20 $${let}\:\:{I}\:=\int_{\mathrm{0}} ^{\infty} \:\:\frac{{dx}}{\left({x}+\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }\right)^{\mathrm{2}} }\:{changement}\:{x}\:={sh}\left({t}\right)\:{give} \\ $$$${I}\:=\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{ch}\left({t}\right)\:{dt}}{\left({sh}\left({t}\right)+{cht}\right)^{\mathrm{2}}…
Question Number 87534 by mathmax by abdo last updated on 04/Apr/20 $${calculate}\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{4}}} \:\frac{{arctan}\left({sinx}\right)}{{sinx}}{dx} \\ $$ Commented by mathmax by abdo last updated on 06/Apr/20…
Question Number 87526 by mathmax by abdo last updated on 04/Apr/20 $${calculate}\:\int_{\mathrm{0}} ^{\infty} \:{e}^{−\left[{nx}\right]} \:{dx} \\ $$ Commented by mathmax by abdo last updated on…
Question Number 87527 by mathmax by abdo last updated on 04/Apr/20 $${find}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{arctan}\left(\mathrm{3}{x}\right)}{{x}^{\mathrm{2}} +{x}+\mathrm{1}}{dx} \\ $$ Commented by mathmax by abdo last updated on…
Question Number 153063 by talminator2856791 last updated on 04/Sep/21 $$\: \\ $$$$\:\:\:\:\:\:\:\:\:\mathrm{show}\:\mathrm{that} \\ $$$$\: \\ $$$$\:\:\:\:\:\int_{−\infty} ^{\:\infty} \:\frac{\mathrm{1}}{\:\sqrt{{x}^{\mathrm{2}} +\mathrm{1}}}\:\:{dx} \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\:\mathrm{is}\:\mathrm{unsolvable} \\ $$$$\:…
Question Number 87511 by M±th+et£s last updated on 04/Apr/20 Answered by TANMAY PANACEA. last updated on 04/Apr/20 $${t}={x}^{\mathrm{3}} \rightarrow\frac{{dt}}{\mathrm{3}}={x}^{\mathrm{2}} {dx} \\ $$$$\int_{{ln}\mathrm{3}} ^{{ln}\mathrm{4}} \frac{\mathrm{1}}{\mathrm{3}}×\frac{{sint}}{{sint}+{sin}\left({ln}\mathrm{12}−{t}\right)}{dt}\:={I} \\…
Question Number 21970 by j.masanja06@gmail.com last updated on 07/Oct/17 $${integrate} \\ $$$$\int{sec}^{\mathrm{3}} {xdx} \\ $$ Answered by Tikufly last updated on 07/Oct/17 $$\:\int\mathrm{sec}^{\mathrm{3}} {xdx}=\int\:\left(\mathrm{sec}{x}\right)\left(\mathrm{sec}^{\mathrm{2}} {x}\right){dx}…