// 2 \\ ||x - 1|| ||------|| || 2 || |\x - 9/| |--------| \5*x + 10/ ---------- x - 1
2 -1 + x ----------------------------- / 2\ (-1 + x)*\-9 + x /*(10 + 5*x)
(-1.0 + x^2)/((10.0 + 5.0*x)*(-1.0 + x)*(-9.0 + x^2))
2 -1 + x ---------------------------- / 2\ 5*(-1 + x)*\-9 + x /*(2 + x)
1 + x ------------------------- 3 2 -90 - 45*x + 5*x + 10*x
1 + x -------------------------- 5*(-3 + x)*(2 + x)*(3 + x)