If x2+1x2=18, find the values of x+1x and x−1x. – InterviewSolution

1.	If x2+1x2=18, find the values of x+1x and x−1x.
Answer» $I f x^{2} + \frac{1}{x^{2}} = 18, find the values of x + \frac{1}{x} a n d x - \frac{1}{x} .$

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