Math Problem Statement

Determiner l'ensemble des points tels que iz² est réelle (sans utiliser z=x+iy)

Solution

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Math Problem Analysis

Mathematical Concepts

Complex Numbers
Polar Coordinates
Arguments of Complex Numbers

Formulas

z = r e^{iθ}
z² = r² e^{i2θ}
iz² = r² e^{i(2θ + π/2)}

Theorems

Condition for a complex number to be real: argument must be a multiple of π

Suitable Grade Level

Undergraduate Mathematics