If x8 – 727x4 + 1 = 0, then the possible value of \(x - \frac{1}{x}\ – McqOptions

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1.	If x8 – 727x4 + 1 = 0, then the possible value of \(x - \frac{1}{x}\) is:
A.	6
B.	4
C.	5
D.	7
Answer» D. 7

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