If \({x^2} - 2\sqrt 5 x + 1 = 0,\) then what is the value of \({x^5} – McqOptions

MCQOPTIONS

1.	If \({x^2} - 2\sqrt 5 x + 1 = 0,\) then what is the value of \({x^5} + \frac{1}{{{x^5}}}\)?
A.	406√5
B.	610√5
C.	408√5
D.	612√5
Answer» C. 408√5

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