Question Number 72190 by oyemi kemewari last updated on 26/Oct/19 $$\mathrm{3}^{\mathrm{x}} +\mathrm{4}^{\mathrm{x}} =\mathrm{5}^{\mathrm{x}} \\ $$ Commented by oyemi kemewari last updated on 26/Oct/19 find x Commented…
Question Number 6655 by Tawakalitu. last updated on 09/Jul/16 $${If}\:\:\:{tan}\mathrm{2}{x}\:−\:{sin}\mathrm{2}{x}\:=\:{b}\:\:{and}\:\:{tan}\mathrm{2}{x}\:+\:{sin}\mathrm{2}{x}\:=\:{a} \\ $$$${prove}\:{that}\::\: \\ $$$${b}^{\mathrm{2}} \:−\:{a}^{\mathrm{2}\:} \:=\:\mathrm{16}{ba} \\ $$ Commented by Yozzii last updated on 09/Jul/16…
Question Number 137721 by Ñï= last updated on 05/Apr/21 $$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\mathrm{tan}^{−\mathrm{1}} \frac{\mathrm{1}}{\mathrm{2}{n}^{\mathrm{2}} }=? \\ $$$${except}\:{use}\:\mathrm{tan}^{−\mathrm{1}} \frac{\mathrm{1}}{\mathrm{2}{n}^{\mathrm{2}} }=\mathrm{tan}^{−\mathrm{1}} \frac{\mathrm{1}}{\mathrm{2}{n}−\mathrm{1}}−\mathrm{tan}^{−\mathrm{1}} \frac{\mathrm{1}}{\mathrm{2}{n}+\mathrm{1}},{any}\:{other}\:{way}? \\ $$ Answered by TANMAY…
Question Number 6651 by Tawakalitu. last updated on 08/Jul/16 $${Solve}\:{this}\:{equation}\:{by}\:{reducing}\:{it}\:{from}\:{non}\:{homogeneous} \\ $$$${equation}\:{to}\:{homogeneous}\:{equation}\: \\ $$$$\frac{{dy}}{{dx}}\:=\:\frac{{x}\:+\:{y}\:+\:\mathrm{3}}{{x}\:−\:{y}\:−\mathrm{5}} \\ $$ Commented by prakash jain last updated on 09/Jul/16 $$\mathrm{Substitue}\:{x}={u}+\mathrm{1}\:\mathrm{and}\:{y}={v}−\mathrm{4}…
Question Number 137723 by KwesiDerek last updated on 11/Apr/21 $$ \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 72185 by aliesam last updated on 25/Oct/19 Commented by Rasheed.Sindhi last updated on 26/Oct/19 $$\left\{{a},{b},{c}\right\}\equiv\left\{\mathrm{2},\mathrm{3},\mathrm{5}\right\} \\ $$$$ \\ $$ Commented by aliesam last…
Question Number 6648 by Tawakalitu. last updated on 07/Jul/16 $${What}\:{mass}\:{of}\:{ice}\:{at}\:\:−\mathrm{14}\:{will}\:{be}\:{needed}\:{to}\:{cool}\:\mathrm{200}\:{cm}^{\mathrm{3}} \:{of} \\ $$$${an}\:{orange}\:{drink}\:\left({essentially}\:{water}\right)\:{from}\:\mathrm{25}°{C}\:\:{to}\:\:\mathrm{10}°{C} \\ $$$$\left({specific}\:{latent}\:{heat}\:{of}\:{fusion}\:{of}\:{ice}\:=\:\mathrm{3}.\mathrm{36}\:×\:\mathrm{10}^{\mathrm{5}} \:{jkg}^{−\mathrm{1}} \right. \\ $$$${specific}\:{heat}\:{capacity}\:{of}\:{ice}\:=\:\mathrm{2100}\:{jkg}^{−\mathrm{1}} {k}^{−\mathrm{1}} \\ $$$${specific}\:{heat}\:{capacity}\:{of}\:{water}\:=\:\mathrm{4200}\:{jkg}^{−\mathrm{1}} {k}^{−\mathrm{1}} . \\…
Question Number 137717 by mnjuly1970 last updated on 05/Apr/21 Commented by Dwaipayan Shikari last updated on 05/Apr/21 $${f}\left({a}\right)=\frac{\mathrm{1}}{\mathrm{2}}\Gamma\left(\frac{{a}+\mathrm{1}}{\mathrm{2}}\right)\Gamma\left(\frac{\mathrm{3}−{a}}{\mathrm{2}}\right)=\frac{\mathrm{1}}{\mathrm{2}}\left(\frac{\mathrm{1}−{a}}{\mathrm{2}}\right)\Gamma\left(\frac{{a}+\mathrm{1}}{\mathrm{2}}\right)\Gamma\left(\frac{\mathrm{1}−{a}}{\mathrm{2}}\right)=\frac{\mathrm{1}−{a}}{\mathrm{4}}.\frac{\pi}{{sin}\left(\frac{\pi}{\mathrm{2}}+\frac{\pi}{\mathrm{2}}{a}\right)} \\ $$$$=\frac{\pi}{\mathrm{4}}\left(\mathrm{1}−{a}\right){sec}\left(\frac{\pi}{\mathrm{2}}{a}\right) \\ $$$$−\frac{\mathrm{1}}{\mathrm{3}}{f}'\left(\mathrm{0}\right)=\frac{\pi}{\mathrm{12}} \\ $$ Terms…
Question Number 6644 by WAI LIN last updated on 07/Jul/16 $${Prove}\:\frac{{d}}{{dt}}\:{e}_{\rho} =\phi\:{e}_{\phi} \:,\:\frac{{d}}{{dt}}\:{e}_{\phi} =\:−\phi\:{e}_{\rho} \:{where}\:{dots}\:{denote}\: \\ $$$${differentiation}\:{with}\:{respect}\:{to}\:{time}\:{t}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 72178 by ajfour last updated on 25/Oct/19 Commented by ajfour last updated on 25/Oct/19 $${If}\:{released}\:{as}\:{shown},\:{in}\:{what} \\ $$$${time}\:{does}\:{the}\:{block}\:{separate} \\ $$$${from}\:{the}\:{hemisphere}? \\ $$ Commented by…