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MathNet 2015-part-04 — 191 problems (EN–VI) Question 175

Math Olympiad Vault · MathNet 2015-part-04 — 191 problems (EN–VI)

Question 175

Find all complex numbers $z$ such that
$$
|z| + |z - 5i| = |z - 2i| + |z - 3i|.
$$