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Help me with this plss
If x^2+1/x^2
x^(2) +(1)/(x^2)=10; then x+(1)/(x)=?

User GarrickW
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1 Answer

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(x + 1/x)² = x ² + 2 + 1/x ² = 10 + 2 = 12

==> x + 1/x = ±√12

User Chris Keele
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