The value of (1-w) (1 -w^2), where w is the cube root of a complex number is a) o b) 1 c) 2 d) 3​

Question

The value of (1-w) (1 -w^2), where w is the cube root of a complex number is
a) o
b) 1
c) 2
d) 3​

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Edana Edana 5 months 2021-09-03T22:12:13+00:00 1 Answers 2 views 0

Answers ( )

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    2021-09-03T22:13:52+00:00

    Answer:(1-w) (1-w*2)

    =1-w*2-w+w*3

    =1-w-w*2+1

    =1-1+1

    =1

    Step-by-step explanation:

    at first we should multiply them with each other

    then, put the value of w*3 i.e. w*3=1

    then, put the value of -w-w*2 i.e. 1

    then, the final answer is 1.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )