Mathematics

Mathematics

Problem

If ∣z2−1∣=∣z∣2+1|z^2 - 1| = |z|^2 + 1, then prove that zz lies on y-axis. a. If ∣z2−1∣=∣z∣2+1|z^2 - 1| = |z|^2 + 1, then prove that zz lies on y-axis.

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