r>-U(k)sr\) n-1 -i ,
ex =f(x) = f(0) + z —rr^'+Rn(x) =1+ Z R *=1 ^
ni
gdzie Rn=-—^-^-xn, eefOJJ awięc
dla x = 1 : f(V = e = y\+X—+
k=]ki ni