Which of the following is a degree-100 extension of $\Bbb Q(i)$?

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Which of the following is a degree-100 extension of $\Bbb Q(i)$?

  1. $\Bbb Q[x]/\langle{x^{200}+1}\rangle$.
  2. $\Bbb Q (\sqrt[100]{i-3})$

For the first one, I am not sure how to prove $x^{200}+1$ is irreducible over $\Bbb Q$. Can someone help me, please?