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Question-64381

Question Number 64381 by ketto2 last updated on 17/Jul/19 Commented by MJS last updated on 17/Jul/19 $$\frac{\mathrm{drawing}}{\mathrm{reality}}=\frac{\mathrm{5}{cm}}{\mathrm{250}{m}}=\frac{\mathrm{5}}{\mathrm{250}}×\frac{{cm}}{{m}}=\frac{\mathrm{1}}{\mathrm{50}}×\frac{\mathrm{1}}{\mathrm{100}}=\frac{\mathrm{1}}{\mathrm{5000}} \\ $$ Terms of Service Privacy Policy Contact:…

Question-129908

Question Number 129908 by Adel last updated on 20/Jan/21 Answered by mathmax by abdo last updated on 20/Jan/21 $$\mathrm{f}\left(\mathrm{x}\right)=\frac{\left(\mathrm{1}−\sqrt{\mathrm{sinx}}\right)\left(\mathrm{1}−^{\mathrm{3}} \sqrt{\mathrm{sinx}}\right)….\left(\mathrm{1}−^{\mathrm{2020}} \sqrt{\mathrm{sinx}}\right)}{\left(\mathrm{1}−\mathrm{sinx}\right)^{\mathrm{2019}} }\:\mathrm{we}\:\mathrm{do}\:\mathrm{the}\:\mathrm{changement} \\ $$$$\mathrm{x}=\frac{\pi}{\mathrm{2}}+\mathrm{t}\:\:\left(\mathrm{so}\:\mathrm{t}\rightarrow\mathrm{0}^{+} \right)\:\Rightarrow\mathrm{f}\left(\mathrm{x}\right)=\frac{\left(\mathrm{1}−\left(\mathrm{cost}\right)^{\frac{\mathrm{1}}{\mathrm{2}}}…

dx-sin-3-xcos-5-x-

Question Number 129907 by pticantor last updated on 20/Jan/21 $$\int\frac{\boldsymbol{{dx}}}{\boldsymbol{{sin}}^{\mathrm{3}} \boldsymbol{{xcos}}^{\mathrm{5}} \boldsymbol{{x}}}=??????? \\ $$ Answered by Ar Brandon last updated on 20/Jan/21 $$\mathcal{I}=\int\frac{\mathrm{dx}}{\mathrm{sin}^{\mathrm{3}} \mathrm{xcos}^{\mathrm{5}} \mathrm{x}}=\int\frac{\mathrm{cos}^{\mathrm{2}}…

Question-129903

Question Number 129903 by 0731619177 last updated on 20/Jan/21 Commented by Dwaipayan Shikari last updated on 20/Jan/21 $$\int{e}^{{x}^{\mathrm{2}} } {dx}=\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\frac{\mathrm{1}}{{n}!\left(\mathrm{2}{n}+\mathrm{1}\right)}{x}^{\mathrm{2}{n}+\mathrm{1}} =\frac{{x}}{\mathrm{1}}+\frac{{x}^{\mathrm{3}} }{\mathrm{3}}+\frac{{x}^{\mathrm{5}} }{\mathrm{10}}+\frac{{x}^{\mathrm{7}}…