Question

Which of the following recursive formula can be used to find the factorial of a number?

a.

fact(n) = n * fact(n)

b.

fact(n) = n * fact(n+1)

c.

fact(n) = n * fact(n-1)

d.

fact(n) = n * fact(1)

Posted under Data Structures and Algorithms

Answer: (c).fact(n) = n * fact(n-1)

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Q. Which of the following recursive formula can be used to find the factorial of a number?

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