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The symbol n factorial denotes the product of the first n numbers of which kind?
APrime numbers
BSquare numbers
CRational numbers
DNatural numbers
Answer & Solution
Correct answer: D. Natural numbers
1. The factorial notation shortens a long repeated product.
2. That product runs from 1 up to n in single steps.
3. So n factorial is the product of the first n natural numbers.
_Source: NCERT Class 11 Mathematics, Ch 6 'Permutations and Combinations'_
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