Question

if x^2 + 1/x^2=27 find the value of each the following​

Answer 1

$\frac{ {x}^{2} + 1}{ {x}^{2} } = 27 \\ \\ {x}^{2} + 1 = 27 {x}^{2} \\ \\ 27 {x}^{2} - {x}^{2} = 1 \\ 26 {x}^{2} = 1 \\ {x}^{2} = \frac{1}{26 } \\ \\ x = ±\sqrt{ \frac{1}{26} }$