x^{2} + \frac{1}{x^{2}} = 23 then x + \frac{1}{x} =_______

MP Police Constable 20-Aug-2017 Shift 2 Solved Paper

Question : 72 of 100

Marks: +1, -0

x^{2} + \;{1}/{x^{2}} = 23

then

x + \;{1}/{x} =

_______

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