Let $y = y(x)$ be the solution of the differential equation: $\frac{dy}{dx} + \left( \frac{6x^2 + (3x^2 + 2x^3 + 4)e^{-2x}}{(x^3 + 2)(2 + e^{-2x})} \right) y = 2 + e^{-2x}, x \in (-1, 2)$, satisfying $y(0) = \frac{3}{2}$. If $y(1) = \alpha(2 + e^{-2})$, then $\alpha$ is equal to:

  • A
    $\frac{13}{8}$
  • B
    $\frac{6}{13}$
  • C
    $\frac{12}{13}$
  • D
    $\frac{13}{12}$

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