Q45
Observe the following Python code? def a(n): if n == 0: return 0 else: return n*a(n - 1) def b(n, tot): if n == 0: return tot else: return b(n-2, tot-2)
A.
Both a() and b() aren't tail recursive
B.
Both a() and b() are tail recursive
C.
b() is tail recursive but a() isn't
AnswerD.
a() is tail recursive but b() isn't
Answer: Option C
Solution
Answer: Option C
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