If-x2-1-x2-102-then-x-1-x- 1213810

The correct option is D 10 x^2+1/x^2=102 Subtracting 2 from both sides x^2+1/x^2 2=102 2=100 (x 1/x )^2=(10)^2 ∴ x 1/x=10 ...

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Algebraic Identities

If x2+1/x2=10...

Question

$I f x^{2} + \frac{1}{x^{2}} = 102, t h e n x - \frac{1}{x} =$

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Solution

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105

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