4. (20 pts): A recursive relation for an is shown below ao=3, aq=1, an=(an-2+an-1)/2 with n=2,3,4... Run C-code(s) to find the values shown below with 0.000001 as the accuracy 1) the value of a10 2) the value of azo 3) the absolute value of the difference between 210 and azo