Question

X=
$\sqrt{ \sqrt{5 + 1 \div \sqrt{5 - 1} } }$
then
${x}^{2} - x + 1 =$
​

Answer 1

$\Large\underline{\underline{◉‿◉\mathcal{\red{A}\green{n}\pink{s}\orange{w}\blue{e}\red{r}◉‿◉}}}$

• First rationalize x by multiplying and dividing with the inverse of denominator.
• Find the simplified value of x
• Substitute the value of x in the polynomial
• Simplify the polynomial