Question

if,
${y}^{2} = xz$

Prove that :-
$\frac{ {x}^{ 2} - {y}^{2} + {z}^{2} }{ {x}^{ - 2} - {y}^{ - 2} + {z}^{ - 2} } = {y}^{4}$

Answer 1

4 i hope it will help you