If \(x^2 + \frac 1 {x^2} = 7,\) then the value of \(x^3 + \frac 1 { – McqOptions

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1.	If \(x^2 + \frac 1 {x^2} = 7,\) then the value of \(x^3 + \frac 1 {x^3}\) where x > 0 is equal to:
A.	16
B.	18
C.	12
D.	15
Answer» C. 12

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