function

f(x) ={\displaystyle \textstyle \sum \limits _{k=0}^{n}a_{k}x^{k}=a_{n}x^{n}+a_{n-1}x^{n-1}+\cdots +a_{1}x+a_{0}=0}

f'(x) = 0

x = lim f'(x) (x→x)

 

       T.theodor             2022.9.10