diff-equation

Question: The equation of the curve passing through the origin and satisfying the equation $(1+{{x}^{2}})\frac{dy}{dx}+2xy=4{{x}^{2}}$ is

1) $3(1+{{x}^{2}})y=4{{x}^{3}}$

2) $3(1-{{x}^{2}})y=4{{x}^{3}}$

3) $3(1+{{x}^{2}})={{x}^{3}}$

4) None of these

Solution:

Explanation: No Explanation

Linear differential equations

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