Solve the following differential equations: (a) $\left(1 + e^{x/y}\ri…

Question

Solve the following differential equations:

(a) $\left(1 + e^{x/y}\right)dx + e^{x/y}\left(1 - \frac{x}{y}\right)dy = 0$.

(b) $(D^3 - D^2 - 6D)y = x^2$

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