Q.

What is tail recursion?

A. a recursive function that has two base cases
B. a function where the recursive functions leads to an infinite loop
C. a recursive function where the function doesn’t return anything and just prints the values
D. a function where the recursive call is the last thing executed by the function
Answer» D. a function where the recursive call is the last thing executed by the function
Explanation: a recursive function is tail recursive when recursive call is executed by the function in the last.
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