Question: Simplify z = ( - 4 - i ) + ( - 1 + 7 i ) + ( 6 i ) and express in

Simplify z=(-4-i)+(-1+7i)+(6i) and express in polar form. Hence, evaluate z3.
(8 marks)
Simplify z = ( - 4 - i ) + ( - 1 + 7 i ) + ( 6 i

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