**Question: Let a,b be two non-negative integers, which of the following calls, find the positive difference of a and b?**

Options are:

Options are:

A. find (a,b) + find (b,a)

B. find {a,find(a,b)}

C. a + find(a,b)

D. b + find (a,b)

Correct answer is:

A. find (a,b) + find (b,a)

Correct answer is:

A. find (a,b) + find (b,a)