Question

x+1/x=5 , evaluate x2+ 1/x2​

Answer 1

Step-by-step explanation:

$x + \frac{1}{x} = 5$

Squaring both sides ,

${x}^{2} + \frac{1}{ {x}^{2} } + 2 = 25$

${x}^{2} + \frac{1}{ {x}^{2} } = 23$

Therefore, it is the answer.

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