Clastrotr...

W^100+W^200+W^300=? W= cube root of unity?

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3+ months ago by Clastrotr...
Topics:
root, cube, unity
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Answers (1)

Saurabhna...

w^100 + w^200 + w^300
= w + w^2 + 1
= 0
reason:
(w^3 = w^99 = w^198 = w^300 = 1

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