Let xm-a be irreducible over a field F. We give a new proof of Darbi’s formula for the degree of the splitting field of xm-a and investigate some of its properties. We give a more explicit formula in case the only roots of unity in F are ±1.
|Original language||English (US)|
|Number of pages||4|
|Journal||Pacific Journal of Mathematics|
|Publication status||Published - 1978|
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