(a) (5 points) Write the recurrence formula for the following function.1 (b) (5 points) Draw the recursion tree for the following function and show the running time for each level MINIMUM(A, I,r) 1) if (r - l-0) return Ar 3) 4) lmin- MINIMUM(A, l, L(l+r)/2]) 5) rmin- MINIMUM(A, ( )/2 +1,r) 6) PRINT(rmin, lmin) 7) if rmin