Category: Relation and Functions

Question Number 95215 by mathmax by abdo last updated on 24/May/20 $$\mathrm{calculate}\sum _{\mathrm{n}=0}^{\mathrm{\infty }}\frac{{(-1)}^{\mathrm{n}}}{4\mathrm{n}+1}$$ Answered by mathmax by abdo last updated on…

Question Number 95212 by mathmax by abdo last updated on 24/May/20 $$\mathrm{solve}\mathrm{by}\mathrm{Laplace}\mathrm{transform}$$$${\mathrm{y}}^{{}^{″}}+{5\mathrm{y}}^{{}^{\prime }}+2\mathrm{y}={\mathrm{x}}^2\mathrm{cosx}\mathrm{with}\mathrm{y}\left(\mathrm{o}\right)=1\mathrm{and}{\mathrm{y}}^{{}^{\prime }}\left(0\right)=2$$ Answered by mathmax by abdo…

Question Number 95150 by bobhans last updated on 23/May/20 $$\mathrm{how}\mathrm{do}\mathrm{you}\mathrm{solve}\mathrm{f}\left(\mathrm{x}\right)+2\mathrm{f}\left(\frac{1}{1-\mathrm{x}}\right)=\mathrm{x}$$$$\mathrm{for}\mathrm{f}?$$ Answered by mr W last updated on 23/May/20 $$f\left(x\right)+2f\left(\frac{1}{1-x}\right)=x\dots \left(i\right)$$$${f}\left(\frac{\mathrm{1}}{\mathrm{1}−{x}}\right)+\mathrm{2}{f}\left(\frac{{x}−\mathrm{1}}{{x}}\right)=\frac{\mathrm{1}}{\mathrm{1}−{x}}\:\:\:…\left({ii}\right)…

Question Number 95132 by mathmax by abdo last updated on 23/May/20 $$\mathrm{dolve}{\mathrm{xy}}^{{}^{″}}+(1-{\mathrm{x}}^2){\mathrm{y}}^{{}^{\prime }}+3\mathrm{y}=\mathrm{x}{\mathrm{e}}^{-2\mathrm{x}}$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 29508 by abdo imad last updated on 09/Feb/18 $$xandyareelementsfromRwichverify$$$$(x+\sqrt{x^2+1})(y+\sqrt{y^2+1})=1findx+y.$$ Terms of Service Privacy Policy Contact: info@tinkutara.com