If x4 + x-4 = 2599, then one of the values of x – x-1, where x > 0, – McqOptions

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1.	If x4 + x-4 = 2599, then one of the values of x – x-1, where x > 0, is equal to:
A.	9
B.	7
C.	5
D.	8
Answer» C. 5

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