roots of unity
(of a diet) Providing less that the usual amount of energy
(finance, historical) The first (1970s) attempt at European monetary cooperation, essentially pegging all of the EEC currencies to one another.
(archaic) simple past tense and past participle of ask
plural of root of unity
複素平面上にプロットすると、累乗して1になる複素数たちは原点を中心とした正多角形を形成します。
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