If x x x is a positive real number such that x 8 + ( 1 x ) 8 = 47 x^8 + \left(\frac{1}{x}\right)^8 = 47 x 8 + ( x 1 ​ ) 8 = 47 , then the value of x 9...

Question

If

xx
is a positive real number such that

x8+(1x)8=47x^8 + \left(\frac{1}{x}\right)^8 = 47
, then the value of
x9+(1x)9x^9 + \left(\frac{1}{x}\right)^9
is:

Options

A.
40540\sqrt{5}
B.
36536\sqrt{5}
C.
30530\sqrt{5}
D.
34534\sqrt{5}
exponentiationalgebraic manipulationpowerscat 2023

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