Question

Rezolvați in C ecuația

4z^2 + 8(|z|) ^2 - 3 = 0

Answer 1

$4z^2 + 8|z|^2 - 3 = 0\\4|z|^2 + 8|z|^2 - 3 = 0\\12|z|^2 - 3 = 0\\4|z|^2 - 1 = 0\\4|z|^2 = 1\\|z|^2 = \frac{1}{4}\\|z| = \pm \frac{1}{2} => z = \pm \frac{1}{2} => S = \emptyset$