2 / 2 \ (x - 1) *\x + 1/
(x - 1)^2*(x^2 + 1) при x = -2
(x - 1)^2*(x^2 + 1)
((-2) - 1)^2*((-2)^2 + 1)
(-2 - 1)^2*((-2)^2 + 1)
45
(-1.0 + x)^2*(1.0 + x^2)
4 3 2 1 + x - 2*x - 2*x + 2*x