Question Number 82020 by M±th+et£s last updated on 17/Feb/20 Commented by mind is power last updated on 17/Feb/20 $${thanx}\:{for}\:{this}\:{beautifull}\:\:{quation} \\ $$ Commented by mind is…
Question Number 147553 by Ar Brandon last updated on 21/Jul/21 Answered by ArielVyny last updated on 22/Jul/21 $$\left.\mathrm{1}\right){Formule}\:{de}\:{Poincarre}\:{se}\:{demontre}\:{par}\: \\ $$$${reccurence} \\ $$$$\left.\mathrm{2}\right){soit}\:{f}\:\:{l}'{application}\:{qui}\:{a}\:{une}\:{lettre}\:{i}\:{on}\: \\ $$$${associe}\:{un}\:{destinataire}\:{ou}\:{f}\left({i}\right)\:{est}\:{la}\:{lettre} \\…
Question Number 82018 by TawaTawa last updated on 17/Feb/20 $$\mathrm{Differentiate}\:\:\:\:\:\mathrm{y}\:\:=\:\:\mathrm{2}^{\mathrm{x}} \:\:\:\:\mathrm{from}\:\mathrm{the}\:\mathrm{first}\:\mathrm{principle}. \\ $$ Commented by john santu last updated on 17/Feb/20 $${ln}\:{y}\:=\:{x}\:{ln}\:\mathrm{2} \\ $$$$\underset{{h}\rightarrow\mathrm{0}} {\mathrm{lim}}\:{ln}\left({y}\right)\:\:=\:\underset{{h}\rightarrow\mathrm{0}}…
Question Number 16483 by RasheedSoomro last updated on 23/Jun/17 Commented by RasheedSoomro last updated on 23/Jun/17 $$\mathrm{Thanks}\:\mathrm{sir}\:\mathrm{for}\:\mathrm{mentioning}\:\mathrm{mistake}. \\ $$$$\mathrm{The}\:\mathrm{figure}\:\mathrm{has}\:\mathrm{been}\:\mathrm{changed}. \\ $$ Commented by RasheedSoomro last…
Question Number 82019 by M±th+et£s last updated on 17/Feb/20 Answered by mind is power last updated on 18/Feb/20 $$\mathrm{2}{F}\mathrm{1}\left({k}+\mathrm{1},{k}+\mathrm{1};{k}+\mathrm{2};\mathrm{1}\right)=\left({k}+\mathrm{1}\right)\int_{\mathrm{0}} ^{\mathrm{1}} {x}^{{k}} \left(\mathrm{1}−{x}\right)^{−{k}−\mathrm{1}} {dx} \\ $$$${not}\:{defind}\:{sir}\:{tchek}\:{this}\:{Quation}…
Question Number 147554 by jlewis last updated on 21/Jul/21 $$\mathrm{A}\:\mathrm{toroid}\:\mathrm{core}\:\mathrm{has}\:\mathrm{N}=\mathrm{1200}\:\mathrm{turns}, \\ $$$$\mathrm{length}\:\mathrm{L}=\mathrm{80cm},\mathrm{cross}-\mathrm{section}\:\mathrm{area} \\ $$$$\mathrm{A}=\mathrm{60cm}^{\mathrm{2}} ,\mathrm{current}\:\mathrm{I}=\mathrm{1}.\mathrm{5A}. \\ $$$$\:\:\mathrm{Compute}\:\mathrm{B}\:\mathrm{and}\:\mathrm{H}.\mathrm{Assume}\:\mathrm{an} \\ $$$$\:\mathrm{empty}\:\mathrm{core} \\ $$ Answered by Olaf_Thorendsen last…
Question Number 16475 by Sai dadon. last updated on 22/Jun/17 $${use}\:{L}\left\{{f}'\left({t}\right)\right\}\:{to}\:{find}\:{laplace}\: \\ $$$${transform}\:{of}\:{d}^{\mathrm{2}} {x}/{dt}^{\mathrm{2}} +{n}^{\mathrm{2}} {x}={kcoswt} \\ $$$${given}\:{that}\:{x}=\mathrm{0}\:{and}\:{dx}/{dt}=\mathrm{0}\:{when}\:{t}=\mathrm{0} \\ $$$${PLZ}\:{HELP}. \\ $$$$ \\ $$ Answered…
Question Number 147543 by alcohol last updated on 21/Jul/21 $$\underset{{m}=\mathrm{1}} {\overset{{n}} {\prod}}\left(\frac{\mathrm{1}}{\mathrm{2}}\right)^{{m}} \\ $$ Answered by Canebulok last updated on 21/Jul/21 $$\: \\ $$$$\boldsymbol{{Solution}}: \\…
Question Number 16466 by tawa tawa last updated on 22/Jun/17 Answered by sandy_suhendra last updated on 22/Jun/17 Commented by sandy_suhendra last updated on 22/Jun/17 $$\mathrm{n}_{\mathrm{1}}…
Question Number 147539 by alcohol last updated on 21/Jul/21 $${show}\:{that} \\ $$$$\frac{\mathrm{1}}{\mathrm{2}}\int_{\mathrm{1}} ^{\:\mathrm{2}} \frac{\mathrm{1}}{{x}^{\mathrm{5}} }{dx}\:\leqslant\:\int_{\mathrm{1}} ^{\:\mathrm{2}} \frac{\mathrm{1}}{{x}^{\mathrm{4}} +\mathrm{1}}{dx}\:\leqslant\int_{\mathrm{1}} ^{\:\mathrm{2}} \frac{\mathrm{1}}{{x}^{\mathrm{4}} } \\ $$ Answered by…