Question Number 152701 by talminator2856791 last updated on 31/Aug/21 $$\: \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\int_{−\infty} ^{\:\infty} \:\frac{\mathrm{1}}{\:\sqrt{{x}^{\mathrm{2}} +\mathrm{1}}}\:\:{dx} \\ $$$$\: \\ $$$$\: \\ $$ Terms of…
Question Number 21595 by Isse last updated on 29/Sep/17 $$\mathrm{3sec}^{\mathrm{2}} \mathrm{3}{xtan}\mathrm{3}{x} \\ $$ Commented by mrW1 last updated on 29/Sep/17 $$\mathrm{what}'\mathrm{s}\:\mathrm{the}\:\mathrm{question}? \\ $$ Answered by…
Question Number 152660 by Tawa11 last updated on 30/Aug/21 $$\int\:\frac{\mathrm{x}}{\:\sqrt{\mathrm{1}\:\:\:+\:\:\:\mathrm{x}^{\mathrm{3}} }}\:\mathrm{dx} \\ $$ Answered by Olaf_Thorendsen last updated on 31/Aug/21 $$\left(\mathrm{1}+{u}\right)^{−\frac{\mathrm{1}}{\mathrm{2}}} \:=\:\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\left(−\mathrm{1}\right)^{{n}} \frac{\left(\mathrm{2}{n}\right)!}{\mathrm{2}^{\mathrm{2}{n}}…
Question Number 21591 by Isse last updated on 29/Sep/17 $$\mathrm{5cos}\:^{\mathrm{5}} {t}\mathrm{sin}\:{t} \\ $$ Commented by mrW1 last updated on 29/Sep/17 $$\mathrm{what}'\mathrm{s}\:\mathrm{your}\:\mathrm{concrete}\:\mathrm{question}? \\ $$ Answered by…
Question Number 87121 by M±th+et£s last updated on 03/Apr/20 $$\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \frac{\mathrm{1}−{x}^{\mathrm{4}} }{\mathrm{1}+{x}^{\mathrm{4}} }{dx} \\ $$ Answered by redmiiuser last updated on 03/Apr/20 $$\left(\mathrm{1}+{x}^{\mathrm{4}} \right)^{−\mathrm{1}}…
Question Number 21582 by Isse last updated on 28/Sep/17 $$\int_{\pi/\mathrm{2}} ^{\pi/\mathrm{4}} \left(\mathrm{3}{x}+\mathrm{7}\right) \\ $$ Answered by Joel577 last updated on 29/Sep/17 $${I}\:=\:\underset{\frac{\pi}{\mathrm{2}}} {\overset{\frac{\pi}{\mathrm{4}}} {\int}}\:\mathrm{3}{x}\:+\:\mathrm{7}\:{dx} \\…
Question Number 87103 by hamdhan last updated on 02/Apr/20 $$\int\frac{{dx}}{\left(\mathrm{1}+{x}\right)\sqrt{{x}−{x}^{\mathrm{2}} }} \\ $$ Commented by abdomathmax last updated on 02/Apr/20 $${I}\:=\int\:\:\frac{{dx}}{\left({x}+\mathrm{1}\right)\sqrt{−\left({x}^{\mathrm{2}} −{x}\right)}}\:=\int\:\:\frac{{dx}}{\left({x}+\mathrm{1}\right)\sqrt{−\left({x}^{\mathrm{2}} −{x}\:+\frac{\mathrm{1}}{\mathrm{4}}−\frac{\mathrm{1}}{\mathrm{4}}\right)}} \\ $$$$=\int\:\:\:\:\:\frac{{dx}}{\left({x}+\mathrm{1}\right)\sqrt{\frac{\mathrm{1}}{\mathrm{4}}−\left({x}−\frac{\mathrm{1}}{\mathrm{2}}\right)^{\mathrm{2}}…
Question Number 87086 by Chi Mes Try last updated on 02/Apr/20 Answered by mind is power last updated on 03/Apr/20 $$=\int_{\mathrm{0}} ^{+\infty} \mathrm{2}\frac{{dt}}{\left({t}^{\mathrm{4}} +\left(\mathrm{1}+\mathrm{2}\sqrt{\mathrm{2}}\right){t}^{\mathrm{2}} +\mathrm{1}\right)\left(\mathrm{1}−{t}^{\mathrm{2}}…
Question Number 87052 by lémùst last updated on 02/Apr/20 $${f}\left({x}\right)=\int_{\mathrm{0}} ^{\pi/\mathrm{2}} \frac{{sin}^{\mathrm{2}} \left({t}\right)}{\mathrm{1}+{xsin}^{\mathrm{2}} \left({t}\right)}{dt} \\ $$ Commented by mathmax by abdo last updated on 02/Apr/20…
Question Number 87048 by Ar Brandon last updated on 02/Apr/20 $${Express}\:\:{into}\:\:{partial}\:\:{fractions} \\ $$$$\:\:\:\:\:\:\:\:\frac{{x}^{\mathrm{6}} }{{x}^{\mathrm{12}} +\mathrm{1}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com