Let $\alpha = \frac{(4!)!}{(4!)^{3!}}$ and $\beta = \frac{(5!)!}{(5!)^{4!}}$. Then:

  • A
    $\alpha \in N$ and $\beta \notin N$
  • B
    $\alpha \notin N$ and $\beta \in N$
  • C
    $\alpha \in N$ and $\beta \in N$
  • D
    $\alpha \notin N$ and $\beta \notin N$

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