Here's the problem I was given: If x^2+x+1=0, find the value of (x^3+(1/x^3))^3 Any ideas?

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Given: x^2 +x +1 = 0 Use: (x^3 -1) = (x-1)(x^2 + x +1) = 0 x^3 = 1 -- Now just put the values . Take Care Adarsh

Last edited by ADARSH; May 5th 2009 at 07:34 AM. Reason: -1 =/= 1