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Wouldn't mind a hint on how to start part iii), thanks.

edit: in my notes i have for a similar question:

'L=Q(2' (a = alpha)^{0.5}, 3^{0.5})

F=Q(6^{0.5})

degree of the min polynomial = 2, because L=F(a) and [L:F]=2

Could someone clarify what L=F(a) means so I can understand the example? Thanks

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# Homework Help: Number theory Extensions

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