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mathTalk

  • 4 years ago

the 9th roots of unity ? the 9th roots of unity ? @Mathematics

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  1. Weeku
    • 4 years ago
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    What about them?

  2. mathTalk
    • 4 years ago
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    x ^ 9 = 1 right ?

  3. mathTalk
    • 4 years ago
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    (x^3)^3-1^3 =0 (x^3-1)(x^6+x^3+1)=0 x=-1,-1,-1 ??? how do we find them

  4. Weeku
    • 4 years ago
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    Sorry I'm not of much assistance, but perhaps this helps? http://paul-mccarthy.us/Misc/ProvingRelations.htm

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