zatem f”(x)= V n(n - 1 ]an (x - x0)n~2
n-2
V fW(x)= f;n(n-l)...(n-k+l)a„(x flk)(x)=k(k-l)...2-l0k+ Żnin- i)...(n
n-k + 1
f(k)(x0)=(<!ak
vK(x0,R)
-*0r*
-* +lX(x-x0)"