SOLUTION: if x-1/x=2 ,then x8+1/x8=?

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Question 427260: if x-1/x=2 ,then x8+1/x8=?

Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
We can square both sides to obtain

--> . Square both sides again to get

--> . Repeat.

, so .

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