Simple Extensions For The Same Polynomial Are Isomorphic

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Problem 71 (Simple Extensions For The Same Polynomial Are Isomorphic)

Let $F$ be a field and let $p(x)\in F[x]$ be irreducible over $F$. If $a$ is a zero of $p(x)$ in some extension $E$ of $F$ and $b$ is a zero of $p(x)$ in some extension $E'$ of $F$, then the fields $F(a)$ and $F(b)$ are isomorphic.

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