SOLUTION: If p + q + r =1 , pq + qr + rs = -1 and pqr = -1, find the value of p^ 3 + q^ 3 + r ^3

Question 607313: If p + q + r =1 , pq + qr + rs = -1 and pqr = -1, find the value of p^ 3 + q^ 3 + r ^3
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
answer: 1
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