Question Number 192756 by mokys last updated on 26/May/23 Commented by mokys last updated on 26/May/23 $${Im}\:{cant}\:{solve}\:{this}\:{because}\:{its}\:{very}\:{hard}\:{can}\:{helps}\:{me}\:{pleas}\:? \\ $$ Answered by witcher3 last updated on…
Question Number 192758 by vishal1234 last updated on 26/May/23 $${what}\:{is}\:{the}\:{value}\:{of}\:{dy}/{dx}\:{if} \\ $$$${y}\:=\:{cot}^{−\mathrm{1}} \left[\frac{\sqrt{\mathrm{1}+{sinx}}+\sqrt{\mathrm{1}−{sinx}}}{\:\sqrt{\mathrm{1}+{sinx}}−\sqrt{\mathrm{1}−{sinx}}}\right];\:{x}\in\left(\mathrm{0},\frac{\pi}{\mathrm{2}}\right) \\ $$$${please}\:{give}\:{complete}\:{explanation}\:{that} \\ $$$${why}\:{can}\:{we}\:{not}\:{take} \\ $$$$\left[{sinx}/\mathrm{2}−{cosx}/\mathrm{2}\right]^{\mathrm{2}} \:=\:\mathrm{1}−{sinx} \\ $$ Answered by a.lgnaoui…
Question Number 127214 by mohammad17 last updated on 27/Dec/20 $${what}\:{is}\:{the}\:{value}\:{of}\:{and}\:{how}\:{can}\:{combute}? \\ $$$$ \\ $$$${erf}\left(\pi\right)? \\ $$ Answered by Olaf last updated on 27/Dec/20 $$\mathrm{erf}\left({x}\right)\:=\:\frac{\mathrm{2}}{\:\sqrt{\pi}}\int_{\mathrm{0}} ^{{x}}…
Question Number 127213 by Study last updated on 27/Dec/20 $${li}\underset{{x}\rightarrow\mathrm{0}} {{m}}\left({cosx}\right)^{{logx}} =???\:\:\:\:{by}\:{sandiwich}\:{rule} \\ $$ Commented by Study last updated on 27/Dec/20 $${help}\:{me} \\ $$ Commented…
Question Number 61675 by peter frank last updated on 06/Jun/19 Commented by peter frank last updated on 06/Jun/19 $${find}\:\:{solution}\:{of}\:{D}.{E} \\ $$ Answered by ajfour last…
Question Number 127211 by mohammad17 last updated on 27/Dec/20 $$\int_{\mathrm{0}} ^{\:\pi^{\mathrm{2}} } {x}^{−\frac{\mathrm{1}}{\mathrm{2}}} {e}^{−{x}} {dx} \\ $$ Answered by Dwaipayan Shikari last updated on 27/Dec/20…
Question Number 61674 by behi83417@gmail.com last updated on 06/Jun/19 $$\mathrm{a}.\underset{\:\:\:\mathrm{0}} {\overset{\:\:\:\:\:\:\:\frac{\boldsymbol{\pi}}{\mathrm{4}}} {\int}}\sqrt{\mathrm{1}+\boldsymbol{\mathrm{tgx}}}\:\boldsymbol{\mathrm{dx}}=? \\ $$$$\mathrm{b}.\underset{\:\:\mathrm{0}} {\overset{\:\:\:\:\:\:\:\:\mathrm{1}} {\int}}\sqrt{\mathrm{1}+\boldsymbol{\mathrm{lnx}}}\:\boldsymbol{\mathrm{dx}}=? \\ $$ Commented by maxmathsup by imad last updated…
Question Number 192746 by Mastermind last updated on 26/May/23 $$\mathrm{Let}\:\mathrm{G}\:\mathrm{be}\:\mathrm{the}\:\mathrm{group}\:\left(\left\{\mathrm{1},\:\imath,\:−\mathrm{1},\:−\imath\right\},\:\centerdot\right) \\ $$$$\mathrm{and}\:\mathrm{let}\:\mathrm{H}\:\leqslant\:\left(\underset{−} {+}\mathrm{1},\:\centerdot\right),\:\mathrm{show}\:\mathrm{that} \\ $$$$\theta:\mathrm{G}\rightarrow\mathrm{H}\:\mathrm{is}\:\mathrm{an}\:\mathrm{Isomorphism}. \\ $$$$ \\ $$$$\mathrm{Hello}! \\ $$ Answered by aleks041103 last…
Question Number 127206 by MathSh last updated on 27/Dec/20 $${Prove}\:{it}: \\ $$$${sin}\frac{\pi}{\mathrm{2}{m}+\mathrm{1}}\centerdot{sin}\frac{\mathrm{2}\pi}{\mathrm{2}{m}+\mathrm{1}}\centerdot…\centerdot{sin}\frac{{m}\pi}{\mathrm{2}{m}+\mathrm{1}}=\frac{\sqrt{\mathrm{2}{m}+\mathrm{1}}}{\mathrm{2}^{{m}} } \\ $$ Answered by Olaf last updated on 28/Dec/20 $$ \\ $$$$\Omega\:=\:\underset{{k}=\mathrm{1}}…
Question Number 192743 by mathocean1 last updated on 25/May/23 $${Calculate}: \\ $$$${I}=\int_{\mathrm{0}} ^{\:\mathrm{4}} \left(\int_{{x}−\mathrm{4}} ^{\:{x}−\mathrm{2}} {e}^{\frac{{x}+{y}}{{x}−{y}}} {dy}\right){dx} \\ $$ Answered by aleks041103 last updated on…