Question

$|z1 \z2| = 1 \\ a)z1 \z2 \: is \: purely \: real \\ b) \: z1 \z2 \: is \: purely \: imaginary \\ c) \: z1 \: is \: purely \: real \: \\ d) \: z1 \: and \: z2 \: are \: purely \: imginary$
complex number \​

Answer 1

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