Complex analysis MOC

Complex numbers

The complex numbers ℂ are the Algebraic closure of Real numbers complex given by adjoining a single root of unity 𝑖 such that 𝑖2 = −1, i.e.

ℂ=ℝ[𝑖]

Equivalently, ℂ is the metric completion of the field of algebraic numbers ――ℚ.

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