If x+1x=3, calculate x2+1x2,x3+1x3 and x4+1x4 – InterviewSolution

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1.	If x+1x=3, calculate x2+1x2,x3+1x3 and x4+1x4
Answer» If $x + \frac{1}{x} = 3$ , calculate $x^{2} + \frac{1}{x^{2}}, x^{3} + \frac{1}{x^{3}}$ and $x^{4} + \frac{1}{x^{4}}$

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