Mathematics, 03.01.2020 21:31, 568389
Find the number of pairs $(z_1,z_2)$ of complex numbers such that: $z_1 z_2$ is pure imaginary $\frac{z_1}{z_2}$ is real $|z_1|
Answers: 3
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Find the number of pairs $(z_1,z_2)$ of complex numbers such that: $z_1 z_2$ is pure imaginary $\fr...
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