Category: Differentiation

Question Number 126635 by BHOOPENDRA last updated on 22/Dec/20 Answered by Ar Brandon last updated on 22/Dec/20 $$\mathrm{x}^{\mathrm{2}} +\mathrm{y}^{\mathrm{2}} +\mathrm{z}^{\mathrm{2}} =\mathrm{r}^{\mathrm{2}} \mathrm{cos}^{\mathrm{2}} \theta\mathrm{cos}^{\mathrm{2}} \phi+\mathrm{r}^{\mathrm{2}} \mathrm{cos}^{\mathrm{2}}…

Question Number 126605 by bramlexs22 last updated on 22/Dec/20 $$LetPbepointonthegraph$$$$ofastraightliney=2x-3andQ$$$$beapointonthegraphofaparabola$$$$y=x^2+x+1.Findtheshortest$$$$distancebetweenPandQ.$$ Answered by liberty last…

Question Number 192054 by cortano12 last updated on 07/May/23 $$\mathrm{If}\mathrm{Q}=\frac{2-\mathrm{x}}{\mathrm{y}-1};-5⩽\mathrm{x}<-1,5⩽\mathrm{y}<6$$$$\mathrm{Find}{\mathrm{Q}}_{\max }.$$ Answered by mehdee42 last updated on 07/May/23 $$−\mathrm{5}\leqslant{x}<−\mathrm{1}\overset{×−\mathrm{1}} {\Rightarrow}\:\mathrm{1}<−{x}\leqslant\mathrm{5}\overset{+\mathrm{2}} {\Rightarrow}\mathrm{3}<\mathrm{2}−{x}\leqslant\mathrm{7}\:\:\left({i}\right)…

Question Number 126476 by mnjuly1970 last updated on 20/Dec/20 $$\dots nicecalculus\dots$$$$calculate::$$$$\mathrm{\Omega }={\int }_0^{\mathrm{\infty }}\frac{tanh\left(\pi x\right)}{x(1+x^2)}dx=?$$ Answered by mathmax by abdo last…

Question Number 191859 by mathlove last updated on 02/May/23 Commented by mr W last updated on 03/May/23 $$allareoftype{y}^{\prime }+P\left(x\right)y=Q\left(x\right).$$ Answered by qaz last updated…