Question Number 167230 by mnjuly1970 last updated on 10/Mar/22 $$ \\ $$$$\:\:\:\:\:{lim}_{\:\alpha\rightarrow\infty} \left\{\:\left(\alpha\:\int_{\mathrm{0}} ^{\:\infty} {sin}\left(\:{x}^{\:\alpha} \right)\:{dx}\:\right)=\varphi\left(\alpha\right)\right]=\:\frac{\pi}{\mathrm{2}} \\ $$$$\:\:\:\:\:\:−−−− \\ $$$$\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\:\infty} {sin}\left({x}^{\:\alpha} \right){dx}\:\overset{{x}^{\:\alpha} =\:{y}} {=}\:\frac{\mathrm{1}}{\alpha}\int_{\mathrm{0}}…
Question Number 36101 by rahul 19 last updated on 28/May/18 Commented by rahul 19 last updated on 29/May/18 Ans. given is 3. Commented by tanmay.chaudhury50@gmail.com last updated on…
Question Number 36099 by rahul 19 last updated on 28/May/18 Commented by rahul 19 last updated on 01/Jun/18 $$\mathrm{Help}\:\mathrm{in}\:\mathrm{Q}.\:\mathrm{1}. \\ $$ Commented by rahul 19…
Question Number 167164 by mnjuly1970 last updated on 08/Mar/22 $$ \\ $$$$\:\:\:\Omega=\int_{\mathrm{0}} ^{\:\frac{\pi}{\mathrm{2}}} \frac{\:\:\:\:{sin}^{\:\mathrm{2}} \left({x}\right)}{\left({sin}\left({x}\right)+{cos}\left({x}\right)\right)^{\:\mathrm{6}} }\:{dx}=? \\ $$ Answered by MJS_new last updated on 08/Mar/22…
Question Number 167167 by cortano1 last updated on 08/Mar/22 $$\:\:\mathrm{Find}\:\mathrm{minimum}\:\mathrm{value}\:\mathrm{of}\:\mathrm{function}\: \\ $$$$\:\:\mathrm{f}\left(\mathrm{x}\right)=\mathrm{2x}−\sqrt{\mathrm{x}+\mathrm{1}}−\sqrt{\mathrm{x}^{\mathrm{2}} −\mathrm{1}} \\ $$ Answered by MJS_new last updated on 08/Mar/22 $${f}\left(−\mathrm{1}\right)=−\mathrm{2} \\ $$$${f}\:\mathrm{has}\:\mathrm{a}\:\mathrm{singularity}\:\mathrm{at}\:{x}=−\mathrm{1}…
Question Number 167158 by mnjuly1970 last updated on 08/Mar/22 Answered by mindispower last updated on 10/Mar/22 $${cos}\left(\mathrm{3}{n}\right)=\mathrm{4}{cos}^{\mathrm{3}} \left({n}\right)−\mathrm{3}{cos}\left({n}\right)\Rightarrow{cos}^{\mathrm{3}} \left({n}\right)=\frac{{cos}\left(\mathrm{3}{n}\right)+\mathrm{3}{cos}\left({n}\right)}{\mathrm{4}} \\ $$$$\Theta=\frac{\mathrm{1}}{\mathrm{4}}{Re}\left\{\underset{{n}\geqslant\mathrm{1}} {\sum}\frac{\left(−\mathrm{1}\right)^{{n}−\mathrm{1}} }{{n}^{\mathrm{2}} }.\left({e}^{\mathrm{3}{in}} +\mathrm{3}{e}^{{in}}…
Question Number 101558 by mhmd last updated on 03/Jul/20 $${if}\:{y}={sin}\mathrm{2}{x}\:{is}\:{the}\:{solution}\:{of}\:{differintial}\:{equation}\: \\ $$$$\frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}} }\:+\mathrm{4}{y}={k}\:{then}\:{the}\:{k}\:{is}\:……. \\ $$ Answered by bemath last updated on 03/Jul/20 $$\mathrm{y}'=\mathrm{2cos}\:\mathrm{2x}\:\Rightarrow\mathrm{y}''=−\mathrm{4sin}\:\mathrm{2x} \\…
Question Number 101510 by bemath last updated on 03/Jul/20 $$\mathrm{What}\:\mathrm{are}\:\mathrm{all}\:\mathrm{critical}\:\mathrm{point} \\ $$$$\mathrm{for}\:\mathrm{f}\left(\mathrm{x},\mathrm{y}\right)\:=\:\mathrm{2x}^{\mathrm{2}} −\mathrm{y}^{\mathrm{3}} −\mathrm{2xy} \\ $$ Commented by bramlex last updated on 03/Jul/20 $$\left(\mathrm{1}\right)\frac{\partial\mathrm{f}}{\partial\mathrm{x}}\:=\:\mathrm{4x}−\mathrm{2y}=\mathrm{0}\:,\:\mathrm{y}\:=\:\mathrm{2x} \\…
Question Number 101360 by floor(10²Eta[1]) last updated on 02/Jul/20 $${xy}'={y}\left({ylnx}+\mathrm{1}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 166872 by mnjuly1970 last updated on 01/Mar/22 $$ \\ $$$$\:\:\:\int_{\mathrm{0}} ^{\:\infty} \frac{\:{e}^{\:−{x}} .{ln}\left({x}\right).{sin}\left({x}\right)}{{x}}\:{dx}\:=\:−\frac{\pi}{\mathrm{8}}\:\left(\mathrm{2}\gamma\:+\:{ln}\left(\mathrm{2}\right)\right) \\ $$$$ \\ $$ Answered by qaz last updated on…