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MathNet 2022-part-06 — 196 problems (EN–VI) Question 37

Math Olympiad Vault · MathNet 2022-part-06 — 196 problems (EN–VI)

Question 37

Determine all complex numbers $w$ such that
$$
10|w|^{2}=2|w+2|^{2}+\left|w^{2}+1\right|^{2}+20 .
$$