2*eps
?
Solution:
>> x=1 x = 1 >> x=1/2*(x+3/x); x-sqrt(3) % n= 1 ans = 0.26795 >> x=1/2*(x+3/x); x-sqrt(3) % n= 2 ans = 1.7949E-2 >> x=1/2*(x+3/x); x-sqrt(3) % n= 3 ans = 9.205E-5 >> x=1/2*(x+3/x); x-sqrt(3) % n= 4 ans = 2.4459E-9 >> x=1/2*(x+3/x); x-sqrt(3) % n= 5 ans = 0 % Bingo