MCQ
The differential equation of $y = c ^2+\frac{c}{x}$ is.
- ✓$x^4\left(\frac{d y}{d x}\right)^2-x \frac{d y}{d x}=y$
- B$\frac{d y}{d x^2}+x \frac{d y}{d x}+y=0$
- C$x^3\left(\frac{d y}{d x}\right)^2+x \frac{d y}{d x}=y$
- D$\frac{d^2 y}{d x^2}+\frac{d y}{d x}-y=0$