Question Number 77483 by aliesam last updated on 06/Jan/20 $${solve}\: \\ $$$${y}'\:{cos}\left({x}\right)\:+\frac{\mathrm{1}}{\mathrm{2}}\:{y}\:{sin}\left({x}\right)\:=\:{e}^{{x}} \:\sqrt{{sin}\left({x}\right)}\:\: \\ $$ Commented by mathmax by abdo last updated on 06/Jan/20 $$\left.\left({he}\right)\rightarrow{cosx}\right){y}^{'}…
Question Number 11920 by carrot last updated on 05/Apr/17 $${differentiate}\:{each}\:{function}\:{from}\:{first}\:{principle} \\ $$$$\left.\mathrm{1}\right){f}\:\left({x}\right)\:=\:\mathrm{1}+\frac{\mathrm{1}}{{x}} \\ $$$$\left.\mathrm{2}\right){f}\left({x}\right)\:=\:\frac{\mathrm{1}}{\mathrm{2}{x}+\mathrm{3}}\: \\ $$$$\left.\mathrm{3}\right)\:{f}\left({x}\right)={sin}\mathrm{2}{x} \\ $$$$\left.\mathrm{4}\right){f}\left({x}\right)={co}\mathrm{2}{x} \\ $$$$ \\ $$ Answered by sandy_suhendra…
Question Number 11597 by tawa last updated on 28/Mar/17 $$\mathrm{y}\:=\:\mathrm{x}^{\mathrm{x}^{\sqrt{\mathrm{x}}} } ,\:\mathrm{find}\:\frac{\mathrm{dy}}{\mathrm{dx}} \\ $$ Answered by sma3l2996 last updated on 28/Mar/17 $${y}={x}^{{e}^{\sqrt{{x}}{ln}\left({x}\right)} } ={e}^{{e}^{\sqrt{{x}}{ln}\left({x}\right)} {ln}\left({x}\right)}…
Question Number 142623 by Engr_Jidda last updated on 03/Jun/21 $${find}\:{the}\:{zero}\:{of}\:{z}^{\mathrm{3}} +\mathrm{729}=\mathrm{0} \\ $$$${z}\in\mathbb{C} \\ $$ Answered by Olaf_Thorendsen last updated on 03/Jun/21 $${z}^{\mathrm{3}} \:=\:−\mathrm{729}\:=\:\mathrm{9}^{\mathrm{3}} {e}^{{i}\pi}…
Question Number 142622 by Engr_Jidda last updated on 03/Jun/21 $${find}\:{z}\:{for}\:{which}\:{f}\left({z}\right)=\frac{{z}}{{sinz}}\:{is}\:{undefined} \\ $$$${where}\:{z}\in\mathbb{C} \\ $$ Answered by MJS_new last updated on 03/Jun/21 $$\mathrm{undefined}\:\mathrm{when}\:\mathrm{sin}\:{z}\:=\mathrm{0}\:\Rightarrow\:{z}={n}\pi\wedge{n}\in\mathbb{Z} \\ $$ Terms…
Question Number 11215 by kheleadi11 last updated on 17/Mar/17 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 11050 by lepan last updated on 09/Mar/17 $${The}\:{function}\:{f}\left({x}\right)={acosx}+{b}\:{where} \\ $$$${a}<\mathrm{0}\:{has}\:{a}\:{maximum}\:{value}\:{of}\:\mathrm{8}\:{and} \\ $$$${a}\:{minimum}\:{value}\:{of}\:−\mathrm{2}.\boldsymbol{{F}}{ind}\:{a}+{b}. \\ $$$$ \\ $$$$ \\ $$$$ \\ $$ Answered by Mahmoud…
Question Number 142079 by rs4089 last updated on 26/May/21 $${y}=\frac{{dy}}{{dx}}+\frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}} }+\frac{{d}^{\mathrm{3}} {y}}{{dx}^{\mathrm{3}} }+….. \\ $$$${solve}\:{this}\:{diffrential}\:{equation} \\ $$ Answered by Dwaipayan Shikari last updated on…
Question Number 141849 by iloveisrael last updated on 24/May/21 $$\:\:\:\:\:{y}''−\mathrm{6}{y}'+\mathrm{9}{y}\:=\:\mathrm{9}{x}^{\mathrm{2}} \:{e}^{\mathrm{3}{x}} \:\mathrm{cos}\:\left(\mathrm{3}{x}\right)\:\: \\ $$ Answered by qaz last updated on 24/May/21 $${y}''−\mathrm{6}{y}'+\mathrm{9}{y}=\mathrm{9}{x}^{\mathrm{2}} {e}^{\mathrm{3}{x}} \mathrm{cos}\:\left(\mathrm{3}{x}\right) \\…
Question Number 10768 by 2525 last updated on 24/Feb/17 $$\mathrm{Solve}\:\mathrm{the}\:\mathrm{following}\:\mathrm{differential}\:\mathrm{equations}\: \\ $$$$\mathrm{by}\:\mathrm{power}\:\mathrm{series}. \\ $$$${y}^{//} −\mathrm{2}{y}\:=\:\mathrm{4}{x}^{\mathrm{2}} {e}^{{x}^{\mathrm{2}} } \\ $$ Commented by 2525 last updated on…