Question

simplify

(4-x^(-4))/(2-x^(-2))

Answer 1

the first part divided by the second part

Answer 2

{2^2-(x^-2)^2}/{2-x^-2}
=> [{2-x^-2}{2+x^-2}]/{2-x^-2}
=> [2+x^-2]
plzz check it once again cause its difficult to write this way and there could be a mistake