Question

plz solve this question...☝️☝️☝️

Answer 1

${x}^{2} + \frac{1}{ {x}^{2} } = 66 \\ \\ {x}^{2} + \frac{1}{ {x}^{2} } - 2 = 66 - 2 \\ \\ {x}^{2} + \frac{1}{ {x}^{2} } - 2(x)( \frac{1}{x} ) = 64 \\ \\ {(x - \frac{1}{x}) }^{2} = 64 \\ \\ x - \frac{1}{x} = 8$

Answer 2

Hi,

Please see the attached file!

Thanks