If \({\rm{x}} - \frac{1}{x} = 3\), then find the value of \({x^4} + \f – McqOptions

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1.	If \({\rm{x}} - \frac{1}{x} = 3\), then find the value of \({x^4} + \frac{1}{{{x^4}}}\).
A.	123
B.	129
C.	119
D.	14
Answer» D. 14

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