diff-equation

Question: The differential equation of all the lines in the xy-plane is

1) $\frac{dy}{dx}-x=0$

2) $\frac{{{d}^{2}}y}{d{{x}^{2}}}-x\frac{dy}{dx}=0$

3) $\frac{{{d}^{2}}y}{d{{x}^{2}}}=0$

4) $\frac{{{d}^{2}}y}{d{{x}^{2}}}+x=0$

Solution:

Explanation: No Explanation

Formation of differential equations

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