Category: Differential Equation

Question Number 194831 by necx122 last updated on 16/Jul/23 Commented by necx122 last updated on 16/Jul/23 $$I^{\prime }vetriedattemptingthisquestionbut$$$$gotstuck.Please,Ineedassistance.$$ Answered by dimentri last…

Question Number 194599 by pete last updated on 10/Jul/23 $$\mathrm{A}\mathrm{tank}\mathrm{contains}300\mathrm{litres}\mathrm{of}\mathrm{fluid}\mathrm{in}$$$$\mathrm{which}20\mathrm{grams}\mathrm{of}\mathrm{salt}\mathrm{is}\mathrm{dissolved}.$$$$\mathrm{Brine}\mathrm{containing}1\mathrm{gm}\mathrm{of}\mathrm{salt}\mathrm{per}\mathrm{litre}$$$$\mathrm{is}\mathrm{then}\mathrm{pumped}\mathrm{into}\mathrm{the}\mathrm{tank}\mathrm{at}\mathrm{a}\mathrm{rate}$$$$\mathrm{of}4\mathrm{L}/\min ;\mathrm{the}\mathrm{well}\mathrm{mixed}\mathrm{solution}$$$$\mathrm{is}\mathrm{pumped}\mathrm{out}\mathrm{at}\mathrm{the}\mathrm{same}\mathrm{rate}.$$$$\mathrm{Find}\mathrm{the}\mathrm{number}\mathrm{N}\left(\mathrm{t}\right)\mathrm{of}\mathrm{grams}\mathrm{of}$$$$\:\mathrm{salt}\:\mathrm{in}\:\mathrm{the}\:\mathrm{tank}\:\mathrm{at}\:\mathrm{time}\:\mathrm{t}.\: \…

Question Number 194059 by Rupesh123 last updated on 27/Jun/23 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 130875 by EDWIN88 last updated on 30/Jan/21 Answered by benjo_mathlover last updated on 30/Jan/21 $${\mathrm{y}}^{″}-\left(\frac{2\mathrm{x}}{1-{\mathrm{x}}^2}\right){\mathrm{y}}^{\prime }+\left(\frac{2}{1-{\mathrm{x}}^2}\right)\mathrm{y}=0$$$$\:\mathrm{y}_{\mathrm{2}} '\mathrm{y}_{\mathrm{1}} −\mathrm{y}_{\mathrm{2}} \mathrm{y}_{\mathrm{1}} '=\mathrm{Ce}^{−\int\:\mathrm{a}_{\mathrm{1}}…

Question Number 65219 by Rio Michael last updated on 26/Jul/19 Commented by Rio Michael last updated on 26/Jul/19 $$pleasecheckmysolutionandcorrectmeforthatquestion$$$$youcangivenewmethodstosolveplease.$$ Answered by…