Let $p \in \mathbb{R}$. Then the differential equation of the family of curves $y=(\alpha+\beta x) e^{p x}$, where $\alpha$ and $\beta$ are arbitrary constants, is

  • A
    $y^{\prime \prime}+4 p y^{\prime}+p^2 y=0$
  • B
    $y^{\prime \prime}-2 p y^{\prime}+p^2 y=0$
  • C
    $y^{\prime \prime}+2 p y^{\prime}-p^2 y=0$
  • D
    $y^{\prime \prime}+2 p y^{\prime}+p^2 y=0$

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