The function f is defined for non-negative integers a and b recursively as follows: f(a, b) ={ 0     if                                   a = 0 or                      b = 0 f(a − 1, b − 1) + 2a − 1       if a = b f(a − b, b) + f(b, b)              if a > b f(a, a) + f(b − a, a)               if a < b } Compute f (3, 2) by drawing a recursion tree showing all of the computation required and then use your tree to compute the answer.

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The function f is defined for non-negative integers a and b recursively as follows:
f(a, b) ={
0     if                                   a = 0 or                      b = 0
f(a − 1, b − 1) + 2a − 1       if a = b
f(a − b, b) + f(b, b)              if a > b
f(a, a) + f(b − a, a)               if a < b
}
Compute f (3, 2) by drawing a recursion tree showing all of the computation
required and then use your tree to compute the answer.

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