If \({X^4} + \frac{1}{{{x^4}}} = 194\) and x > 0, then what is the va – McqOptions

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1.	If \({X^4} + \frac{1}{{{x^4}}} = 194\) and x > 0, then what is the value of \({X^2} - \frac{1}{{{X^2}}}?\)
A.	8√3
B.	2√7
C.	10√2
D.	10
Answer» B. 2√7

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