Fixed typo
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@ -74,7 +74,7 @@ The set of all units in $\mathbb{Z}_n$ is written $\mathbb{Z}_n^\times$ \\
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Read this as \say{$\mathbb{Z}$ mod $n$ cross}
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\problem{}
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What are the elements of $\mathbb{Z}_5^\times$?
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What are the elements of $\mathbb{Z}_5)^\times$?
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\begin{solution}
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$\{1, 2, 3, 4\}$
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