Równania różniczkowe.
: 29 sie 2007, o 17:32
1. \(\displaystyle{ 8y+10x+(5y+7x)\frac{dy}{dx}=0}\)
2. \(\displaystyle{ \frac{dy}{dx}=\frac{2y^{2}-xy}{x^{2}-xy+y^{2}}}\)
3. \(\displaystyle{ xcos\frac{y}{x}(ydx+xdy)=ysin\frac{y}{x}(xdy-ydx)}\)
2. \(\displaystyle{ \frac{dy}{dx}=\frac{2y^{2}-xy}{x^{2}-xy+y^{2}}}\)
3. \(\displaystyle{ xcos\frac{y}{x}(ydx+xdy)=ysin\frac{y}{x}(xdy-ydx)}\)