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  3. show that {a + b√3 | a, b ∈ q} is a fiel

Show that {a + b√3 | a, b ∈ Q} is a field (a subfield...

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Advance Math

Show that {a + b√3 | a, b ∈ Q} is a field (a subfield of thefield R), but {a + b√3 | a, b ∈ Z} is not a field.

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