Solution

Past exam of the mathematics course of the University of Cambridge / 2005 / iii / Paper 31 / 1 / i / Solution

Past exam of the mathematics course of the University of Cambridge / 2007 / ii / Paper 1 / 18F / Solution

{title2=$[L:K]$}
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= Field extension degree
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The degree $[L:K]$ of a field extension is the <dimension of a vector space> $L$ over $K$.

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 Incoming links: Degree of a field extension