1. F(x) = x-5 / x^3 - x^2, для х = -1 =
[m]F(x)=\frac{x-5}{x^3-x^2}[/m] [m]F(-1)=\frac{-1-5}{(-1)^3-(-1)^2}=\frac{-6}{-1-1}=\frac{-6}{-2}=3[/m]