If x4 – 62x2 + 1 = 0, then a value of x3 + x-3 can be: – McqOptions

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1.	If x4 – 62x2 + 1 = 0, then a value of x3 + x-3 can be:
A.	498
B.	389
C.	320
D.	488
Answer» E.

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