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A) Find the values of:- (2-i)(-2+ 3i) (-1 2i )(2 +i) B) Find the three cube roots of 1. Find the two square roots

A) Find the values of:- (2-i)(-2+ 3i) (-1 2i )(2 +i) B) Find the three cube roots of 1. Find the two square roots of i.

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