1.if zi=1-i,z²=-2 4i,z³=√3-2i
evaluate (i)z² 2zi-3 (ii)|z¹ z² 1÷z¹-z² 1
2.evaluate(2 i)(3-2i) (1 2i)÷(1 I)^²
3.if(x y) I(x-y)=(2-5i)² I(2-3i)find the values of x and y
4.simplify(2 5i)² 5(7 2i)-i(4-6i)÷3-4i express the result in the form of x y?
In University of Abuja
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Asked by Maryam on 4th August, 2021
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