Let z₁, z₂ and z₃ be non-zero complex numbers satisfying z² = i z̅, where i = √−1.

Consider the following statements:

1. z₁z₂z₃ is purely imaginary.

2. z₁z₂ + z₂z₃ + z₃z₁ is purely real.


Which of the above statements is/are correct?

Mathematics 2016 NDA Mathematics 2016 NDA 2016

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