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Idea of Efficiency and Recursion — Computer Science STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceComputer ScienceIdea of Efficiency and Recursion1 Mark
MCQ
Observe the following piece of code?

  • A
    Both a() and b() aren't tail recursive
  • B
    Both a() and b() are tail recursive
  • ✓
    b() is tail recursive but a() isn't
  • D
    a() is tail recursive but b() isn't
✓

Answer

Correct option: C.
b() is tail recursive but a() isn't
(c) Explanation: A recursive function is tail recursive when recursive call is executed by the function in the last.

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