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Which of the following statements about factorial notation is correct?

Answer and explanation

Correct answer: For every positive integer \(n\), \(n!=n(n-1)!\)

The recursive factorial property is \(n!=n(n-1)!\) for a positive integer \(n\). Also, \(0!=1\), so option B is false, and factorial is not defined for negative integers. Exam tip: remember factorial as a product, not a sum.

Related tags

Factorial NotationRecursive PropertyMathematicsClass 11Permutations CombinationsNumber SystemPermutations And CombinationsClass 11 Mcq

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