Question

Question is in the image ​

Answer 1

Answer:

6

Step-by-step explanation:

${x}^{2} + \frac{1}{ {x}^{2} } = 34 \\ = > {x}^{2} + \frac{1}{ {x}^{2} } + 2 = 34 + 2 \\ = > {x}^{2} + { (\frac{1}{x} )}^{2} + 2(x)( \frac{1}{x} ) = 36 \\ = > {(x + \frac{1}{x} )}^{2} = 36 \\ = > x + \frac{1}{x} = 6$

Hope it helps :D