If $$x = 3 + \sqrt 8 ,$$ then $${x^2} + \frac{1}{{{x^2}}}$$ is equal to = ? Options: A . &nbsp30 B . &nbsp34 C . &nbsp36 D . &nbsp38

If $$x = 3 + \sqrt 8 ,$$ then $${x^2} + \frac{1}{{{x^2}}}$$ is equal to = ?

Question

If $$x = 3 + \sqrt 8 ,$$ then $${x^2} + \frac{1}{{{x^2}}}$$ is equal to = ?

Options:

A . 30

B . 34

C . 36

D . 38

Answer: Option B

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