If o is an imaginary cube root of unity ,Prove 1 1 1 1+20 2+ @ 1+@

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.5: Demoivre’s Theorem
Problem 3ECP
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If w is an imaginary cube root of unity ,Prove
1 1
+
1
1+2@
2 + @
1+@
Transcribed Image Text:If w is an imaginary cube root of unity ,Prove 1 1 + 1 1+2@ 2 + @ 1+@
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