$\lim _{n}$ ${\rightarrow \infty}\left[\left(1+\frac{1^2}{n^2}\right)\left(1+\frac{2^2}{n^2}\right) \ldots \left(1+\frac{n^2}{n^2}\right)\right]^{\frac{1}{n}}=$

  • A
    $2 e^{\pi-4}$
  • B
    $e^{\frac{\pi-4}{2}}$
  • C
    $2 e^{\frac{\pi-4}{2}}$
  • D
    $\frac{1}{2} e^{\frac{\pi-4}{2}}$

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