lim(x→3) (x^3-mx^2-x+3)/(x-3)=n,求m,n_数学解答

lim(x→3) (x^3-mx^2-x+3)/(x-3)=n,求m,n

人气：454 ℃　时间：2020-02-06 05:47:29

解答

当x = 3 x-3 = 0
=> x = 3,x^3-mx^2-x+3 = 0
m = 3
带入m = 3计算n = 8