Answer:
Returned value: 2
Explanation:
Public int f(int k, int n) {
if (n == k)
return k;
else if (n > k)
return f(k, n - k);
else return f(k - n, n);
}
/////////////////////////////////////////////////////////////////////////////////////////
Trace of function calls,
f(6, 8)
f(k, n - k) -> (6, 2)
f(k - n, n) -> (4, 2)
f(k - n, n) -> (2, 2)
return k