Question

Find the value of x^2+1/x^2,when X=√2 give the answer with explanation

Answer 1

Answer:

$given \: x = \sqrt{2} \\ \\ {x}^{2} + \frac{1}{ {x}^{2} } = { \sqrt{2} }^{2} + \frac{1}{ { \sqrt{2} }^{2} } \\ \\ = 2 + \frac{1}{2} \\ \\ = \frac{4 + 1}{2} \\ \\ = \frac{5}{2}$

If it helps please mark it brainliest.