Question

if
$x = \frac{ \sqrt{5} - 2}{ { \sqrt{5} } \ - 2 }$
$y = \frac{ \sqrt{5} + 2 }{ \sqrt{5} -2 }$
then show that
${x}^{2} - {y}^{2} = - 144 \sqrt{5}$
​

Answer 1

The question is wrong