If x = {\sqrt{5}−2}/{\sqrt{5} + 2}, then the value of x 2 + x -2 is:

SSC CGL 2 Dec 2022 Shift 1 Paper

Question : 57 of 100

Marks: +1, -0

If

x = \;{{√{5}}−2}/{{√{5}} + 2}

, then the value of x² + x^-2 is:

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