If (x+1x)=5, then (x2+1x2)=? (a) 25 (b) 27 (c) 23 (d) 25125 – InterviewSolution

1.

If (x+1x)=5, then (x2+1x2)=? (a) 25 (b) 27 (c) 23 (d) 25125

Answer»

If $(x + \frac{1}{x}) = 5$ , then $(x^{2} + \frac{1}{x^{2}}) = ?$
(a) $25$
(b) $27$
(c) $23$
(d) $25 \frac{1}{25}$

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