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- Equation différentielle exacte
- Équation différentielle linéaire
- Équation différentielle séparable
- Equation différentielle homogène
- Produit de binômes avec terme commun
- Méthode FOIL
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We can identify that the differential equation $\frac{dy}{dx}=\frac{xy}{x^2+y^2}$ is homogeneous, since it is written in the standard form $\frac{dy}{dx}=\frac{M(x,y)}{N(x,y)}$, where $M(x,y)$ and $N(x,y)$ are the partial derivatives of a two-variable function $f(x,y)$ and both are homogeneous functions of the same degree
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$\frac{dy}{dx}=\frac{xy}{x^2+y^2}$
Learn how to solve problems step by step online. dy/dx=(xy)/(x^2+y^2). We can identify that the differential equation \frac{dy}{dx}=\frac{xy}{x^2+y^2} is homogeneous, since it is written in the standard form \frac{dy}{dx}=\frac{M(x,y)}{N(x,y)}, where M(x,y) and N(x,y) are the partial derivatives of a two-variable function f(x,y) and both are homogeneous functions of the same degree. Use the substitution: x=uy. Expand and simplify. Apply the formula: b\cdot dy=a\cdot dx\to \int bdy=\int adx, where a=\frac{1}{y}, b=u, dx=dy, dy=du, dyb=dxa=u\cdot du=\frac{1}{y}dy, dyb=u\cdot du and dxa=\frac{1}{y}dy.
