Question Number 73191 by Mr. K last updated on 07/Nov/19 $${find}\:{x}\:{and}\:{y}: \\ $$$$\begin{cases}{\mathrm{2}{x}^{{y}} −{x}^{−{y}} =\mathrm{1}}\\{{log}_{\mathrm{2}} {y}=\sqrt{{x}}}\end{cases} \\ $$ Answered by mind is power last updated…
Question Number 138716 by floor(10²Eta[1]) last updated on 17/Apr/21 $$\int_{\mathrm{2}} ^{\infty} \frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}} \mathrm{lnx}}\mathrm{dx}\: \\ $$$$\mathrm{converges}\:\mathrm{or}\:\mathrm{diverges}? \\ $$ Answered by mathmax by abdo last updated on…
Question Number 138704 by mathdave last updated on 16/Apr/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 138703 by mathocean1 last updated on 16/Apr/21 $${Calculate} \\ $$$$\underset{−\frac{\pi}{\mathrm{6}}} {\overset{\mathrm{0}} {\int}}\frac{{cos}^{\mathrm{2}} {x}}{\mathrm{1}−\mathrm{2}{sinx}}{dx} \\ $$ Commented by SanyamJoshi last updated on 17/Apr/21 $${Calculate}…
Question Number 7630 by sandy_suhendra last updated on 06/Sep/16 Commented by Chantria Math last updated on 06/Sep/16 $${There}\:{are}\:{some}\:{false}\:{in}\:{this} \\ $$$${problem},\: \\ $$$$ \\ $$$$ \\…
Question Number 7621 by 314159 last updated on 06/Sep/16 $${Prove}\:{that}\: \\ $$$$\pi=\mathrm{4}\underset{{k}=\mathrm{0}} {\overset{\infty} {\sum}}\:\:\frac{\left(−\mathrm{1}\right)^{{k}} }{\mathrm{2}{k}+\mathrm{1}} \\ $$ Answered by prakash jain last updated on 26/Sep/16…
Question Number 138690 by KwesiDerek last updated on 16/Apr/21 $$\left(\frac{\mathrm{x}}{\mathrm{12}}\right)^{\mathrm{log}_{\sqrt{\mathrm{3}}} \mathrm{x}} =\left(\frac{\mathrm{x}}{\mathrm{18}}\right)^{\mathrm{log}_{\sqrt{\mathrm{2}}} \mathrm{x}} \\ $$$$\boldsymbol{\mathrm{find}}\:\boldsymbol{\mathrm{x}} \\ $$ Commented by liberty last updated on 16/Apr/21 $${x}=\mathrm{36}\:\Rightarrow\left(\frac{\mathrm{36}}{\mathrm{12}}\right)^{\mathrm{log}\:_{\sqrt{\mathrm{3}}}…
Question Number 138673 by KwesiDerek last updated on 16/Apr/21 $$\boldsymbol{\mathrm{x}}^{\mathrm{2}} −\boldsymbol{\mathrm{x}}=\mathrm{72} \\ $$$$\boldsymbol{\mathrm{y}}^{\mathrm{2}} −\boldsymbol{\mathrm{y}}=\mathrm{30} \\ $$$$\boldsymbol{\mathrm{x}}+\boldsymbol{\mathrm{y}}=\mathrm{4} \\ $$$$\boldsymbol{\mathrm{x}}−\boldsymbol{\mathrm{y}}=? \\ $$ Commented by Rasheed.Sindhi last updated…
Question Number 7587 by ten last updated on 05/Sep/16 $${cos}\mathrm{4}{xsin}\mathrm{4}{x} \\ $$ Answered by Rasheed Soomro last updated on 05/Sep/16 $${cos}\mathrm{4}{xsin}\mathrm{4}{x} \\ $$$$\mathrm{cos}\:\alpha\:\mathrm{sin}\:\beta=\left(\mathrm{1}/\mathrm{2}\right)\left[\mathrm{sin}\left(\alpha+\beta\right)−\mathrm{sin}\left(\alpha−\beta\right)\right]\:\: \\ $$$$\mathrm{cos}\:\mathrm{4}{x}\:\mathrm{sin}\:\mathrm{4}{x}=\left(\mathrm{1}/\mathrm{2}\right)\left[\mathrm{sin}\left(\mathrm{4}{x}+\mathrm{4}{x}\right)−\mathrm{sin}\left(\mathrm{4}{x}−\mathrm{4}{x}\right)\right]\:\:…
Question Number 7582 by A WLAN last updated on 04/Sep/16 Commented by A WLAN last updated on 04/Sep/16 $${How}\:{to}\:{solve}\:{this}\:{problem}? \\ $$ Answered by Yozzia last…