Question

(1+i)-³ express in the form of a+ib​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation

=(1-i) (1-i) (1-i)

= (1-2i+i²) (1-i)

= (-2i) (1-i)

= -2i+2i

= -2-2i