MathDB
Miklós Schweitzer 1986, Problem 4

Source:

September 12, 2016
Miklos Schweitzercollege contestscomplex numbers

Problem Statement

Determine all real numbers xx for which the following statement is true: the field C\mathbb C of complex numbers contains a proper subfield FF such that adjoining xx to FF we get C\mathbb C. [M. Laczkovich]
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