If x2 + 1/x2 = 7/4 for x > 0 then what is the value of x4 + 1/x4? – McqOptions

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1.	If x2 + 1/x2 = 7/4 for x > 0 then what is the value of x4 + 1/x4?
A.	1
B.	17/16
C.	15/16
D.	51/16
Answer» C. 15/16

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