If z is a complex number satisfying |z 2 – 1|=4 |z|, then the minimum value of |z| is

Mathematics · JEE Advanced · NTA Exams — Complex Numbers and Quadratic Equations

1. \(2 \sqrt{5}+4\)
2. \(2 \sqrt{5}-4\)
3. \(\sqrt{5}-2\)
4. None of these

Answer

(C) 5 -2

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