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If x2 + 1/ x2 = 66 what is x- 1/x​
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If x2 + 1/ x2 = 66 what is x- 1/x​

User Jason Joslin
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1 Answer

2 votes

Answer:

( x - 1/x )^2

= x^2 + 1/x^2 - 2

= 66 -2

= √64

8

User Mkly
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