Category: Differential Equation

Question Number 16514 by Sai dadon. last updated on 23/Jun/17 $$Helpplz$$$$Given2d^{2}x/{dt}^2+2dx/dt+x=ksint$$$$wherekisconstantshowthatifx=n$$$$anddx/dt=0whent=0then$$$$x=e^{-1/2t}\{(n+2/5k)cos\left(t/2\right)+)+(n+4/5k)sin\left(t/2\right)\}$$$$−\mathrm{1}/\mathrm{5}{ksint}−\mathrm{2}/\mathrm{5}{kcost}. \…

Question Number 16492 by Sai dadon. last updated on 23/Jun/17 $$solve$$$$Mdc/dt=P+km-CmwhereM.P.mand$$$$kareconstant$$$$solvetheequationgivenC=awhent=o$$ Answered by mrW1 last updated on…

Question Number 81937 by Joel578 last updated on 16/Feb/20 $$\mathrm{Solve}\mathrm{the}\mathrm{PDE}\mathrm{by}\mathrm{method}\mathrm{of}\mathrm{separating}\mathrm{variables}$$$$\frac{{\partial }^{2}u}{\partial x^2}+2t\frac{{\partial }^{2}u}{\partial x\partial t}-4u=0$$ Commented by Joel578 last updated on 16/Feb/20 $$\mathrm{My}\:\mathrm{approach}…

Question Number 81824 by M±th+et£s last updated on 15/Feb/20 Answered by mind is power last updated on 17/Feb/20 $$letln\left(x\right)=t$$$$\Rightarrow y\left(x\right)=y\left(e^t\right)=z\left(t\right)$$$$\frac{{dy}}{{dx}}={z}'\left({t}\right).\frac{\mathrm{1}}{{x}},\frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}}…

Question Number 16056 by Dr Kc last updated on 17/Jun/17 $$y=Ax\hat{\varrho }x$$ Terms of Service Privacy Policy Contact: info@tinkutara.com