Math, asked by shivamkumar2936, 3 months ago

Prove thal.
n!
=n(n-1) (n - 2) ... (n - (r - 1))
(n-1)!

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Answered by piyushdwivedi2006

Answer:

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Answer:

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Prove thal.n!=n(n-1) (n - 2) ... (n - (r - 1))(n-1)!​

Answers

Prove thal.
n!
=n(n-1) (n - 2) ... (n - (r - 1))
(n-1)!