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OpenStudy (divanshu):

how to find the three cube root of unity ?

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jimthompson5910 (jim_thompson5910):

x^3 = 1 x^3-1=0 (x-1)(x^2+x+1)=0 x-1=0 or x^2+x+1=0 x=1 or x^2+x+1=0 Now use the quadratic formula to solve x^2+x+1=0 to find the other two roots

OpenStudy (divanshu):

thanks

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