/ 2 \ | x 2*x | 32*|1 + --------- - ------| | 2 -4 + x| \ (-4 + x) / --------------------------- -4 + x
32.0*(1.0 + x^2/(-4.0 + x)^2 - 2.0*x/(-4.0 + x))/(-4.0 + x)
2 / 2 2\ - 64*x*(-4 + x) + 32*(-4 + x)*\x + (-4 + x) / ----------------------------------------------- 4 (-4 + x)
/ 2 2 \ 32*\x + (-4 + x) - 2*x*(-4 + x)/ ---------------------------------- 3 (-4 + x)
2 32*2*x 32*x 32 - ------ + --------- -4 + x 2 (-4 + x) ----------------------- -4 + x