Let \( f(x) = \int \frac{(2 - x^2)e^x}{\sqrt{1 + x}(1 - x)^{3/2}} \, dx \). If \( f(0) = 0 \), then \( f\!\left(\frac{1}{2}\right) \) is equal to:
\( \sqrt{2e + 1} \)
\( \sqrt{3e - 1} \)
\( \sqrt{2e - 1} \)
\( \sqrt{3e + 1} \)