Код
k=беск. (x-1)^k
Ln(x)= Sum -------
k=1 kx
var x,summ,elem,element,rasn:real; epselon:real; k:word;
begin summ:=0; elem:=1;
writeln('Vvedite epselon');
read(epselon);
write('Vvedite x>=1/2:');
read(x);
elem:=elem*(x-1)/x;
k:=1;
repeat
element:=1/k*elem;
summ:=summ+element;
k:=k+1;
rasn:=Ln(x)-summ;
until rasn<epselon;
writeln('Rasnitsa ravna',rasn);
writeln('Natural log raven',ln(x));
readln;
readln;
end.