Question

$\tt \: if \: \: \: x + \frac{1}{x} = 20 \: \: find \: \: {x}^{2} + \frac{1}{ {x}^{2} } \:$
${\underline {\boxed{\bf{\purple{x^2}{\dfrac{1}{x^2}=398}}}}$

${\underline{\boxed{\bf{\purple{x^2}{\dfrac{1}{x^2}=398}}}}$


Pls delete it!!!!!!! ​

Answer 1

Please mark me Brainlist and follow me (. ❛ ᴗ ❛.)