Question Number 134457 by bramlexs22 last updated on 03/Mar/21 $$ \\ $$There's a given right triangle ABC and it has a height CD (it has…
Question Number 134456 by bramlexs22 last updated on 03/Mar/21 $$\underset{−\infty} {\int}^{\:\:\:\:\infty} \frac{\mathrm{sin}\:^{\mathrm{3}} \mathrm{x}}{\mathrm{x}^{\mathrm{3}} }\:\mathrm{dx}\:? \\ $$ Commented by EDWIN88 last updated on 04/Mar/21 $$=\:\frac{\mathrm{3}\pi}{\mathrm{4}} \\…
Question Number 68923 by ramirez105 last updated on 16/Sep/19 Commented by kaivan.ahmadi last updated on 16/Sep/19 $$\frac{\partial{u}}{\partial{x}}=\frac{\mathrm{1}}{{y}}\Rightarrow{u}\left({x},{y}\right)=\int\frac{\mathrm{1}}{{y}}{dx}=\frac{{x}}{{y}}+{h}\left({y}\right) \\ $$$$\frac{\partial{u}}{\partial{y}}=−\frac{{x}}{{y}^{\mathrm{2}} }=−\frac{{x}}{{y}^{\mathrm{2}} }+\frac{{dh}}{{dy}}\Rightarrow\frac{{dh}}{{dy}}=\mathrm{0}\Rightarrow{h}={c}' \\ $$$$ \\ $$$$\Rightarrow{u}\left({x},{y}\right)={c}\Rightarrow\frac{{x}}{{y}}={c}\Rightarrow{x}−{cy}=\mathrm{0}…
Question Number 134459 by Ahmed1hamouda last updated on 04/Mar/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 3385 by Filup last updated on 12/Dec/15 $$\mathrm{let}: \\ $$$$\:\:\:\:\:\:\:\:{S}=\underset{{i}={a}} {\overset{{n}} {\sum}}{x}_{{i}} \\ $$$$\mathrm{prove}\:\mathrm{or}\:\mathrm{disprove}\:\mathrm{that}: \\ $$$$\:\:\:\:\:\:\frac{{d}}{{dx}}\left(\underset{{i}={a}} {\overset{{n}} {\sum}}{x}_{{i}} \right)=\underset{{i}={a}} {\overset{{n}} {\sum}}\left(\frac{{d}}{{dx}}\left\{{x}_{{i}} \right\}\right) \\…
Question Number 134458 by bramlexs22 last updated on 04/Mar/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{last}\:\mathrm{two}\:\mathrm{digits}\:\mathrm{of}\: \\ $$$$\:\mathrm{2025}^{\mathrm{2052}} \:+\:\mathrm{1392}^{\mathrm{1329}} \:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 134453 by Lekhraj last updated on 03/Mar/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 134454 by mnjuly1970 last updated on 03/Mar/21 $$\:\:\:\:\:\:\:\:\:\:\:\:…{nice}\:\:{calculus}… \\ $$$$\:\:\:{find}\:{the}\:{value}\:{of}: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\boldsymbol{\phi}=\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\zeta\left(\mathrm{2}{n}\right)−\mathrm{1}}{{n}+\mathrm{1}}=? \\ $$$$ \\ $$ Terms of Service Privacy Policy…
Question Number 68912 by TawaTawa last updated on 16/Sep/19 Answered by MJS last updated on 17/Sep/19 $$\left(\mathrm{1}\right)\:\:{a}^{\mathrm{2}} +{ab}+{b}^{\mathrm{2}} −\mathrm{7}=\mathrm{0} \\ $$$$\left(\mathrm{2}\right)\:\:{b}^{\mathrm{2}} +{bc}+{c}^{\mathrm{2}} −\mathrm{21}=\mathrm{0} \\ $$$$\left(\mathrm{3}\right)\:\:{c}^{\mathrm{2}}…
Question Number 134446 by physicstutes last updated on 03/Mar/21 $$\mathrm{prove}\:\mathrm{that}\: \\ $$$$\:\frac{\mathrm{cos}^{\mathrm{4}} {x}\:+\:\mathrm{sin}^{\mathrm{4}} {x}}{\mathrm{cos}^{\mathrm{4}} {x}−\mathrm{sin}^{\mathrm{4}} {x}}\:=\:\frac{\mathrm{cos2}{A}\:+\:\mathrm{sec}\:\mathrm{2}{A}}{\mathrm{2}} \\ $$ Answered by Ar Brandon last updated on…