If \(x^4 + \frac{1}{x^4} = \frac{257}{16}\) then find \(\frac{8}{13 – McqOptions

MCQOPTIONS

1.	If \(x^4 + \frac{1}{x^4} = \frac{257}{16}\) then find \(\frac{8}{13} (x^3 + \frac{1}{x^3})\), where x > 0.
A.	5
B.	8
C.	4
D.	6
Answer» B. 8

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