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Mr. Dubey • 51.17K Points
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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
Correct answer : Option (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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