Tính:
$\lim_{n\to \infty}\int_{0}^{\infty}\left ( e^{-2x}cos\left ( \frac{x^3}{n} \right )+e^{-x}sin\left ( \frac{x^3}{n} \right ) \right )dx$
Tính:
$\lim_{n\to \infty}\int_{0}^{\infty}\left ( e^{-2x}cos\left ( \frac{x^3}{n} \right )+e^{-x}sin\left ( \frac{x^3}{n} \right ) \right )dx$
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