Question

please solve this and sent correct anwer

Answer 1

Answer:

We know  1+w+w2=0  

—》(1+w2−w)=−2w  

—》(1−w2+w)=−2w2  

—》(1+w2−w)(1−w2+w)   =4w3=4×1=4  

(Since  w3=1 )

Step-by-step explanation:

Answer 2

Answer:

Hope it's correct

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