Question 528604
Numerator:
(x^4 -1) = (x^2+1)(x^2-1) = (x^2+1)(x+1)(x-1)
.
Denominator:
(x^2-4) = (x+2)(x-2)
.
Q(x) = ((x^2+1)(x+1)(x-1))/((x+2)(x-2))
.
{{{ graph(500,500,-5,5,-10,30, ( (x^2+1)*(x+1)*(x-1) ) / ( (x+2)*(x-2) ) ) }}}