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Class 11 Mathematics Permutations and Combinations Factorial notationMedium

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What is the difference between the values of (\frac{11!}{9!}) and (\frac{8!}{6!})?

Answer and explanation

Correct answer: (74)

(\frac{11!}{9!}=110) and (\frac{8!}{6!}=56), so the difference is (110-56=54). Do the subtraction carefully after simplification.

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Factorial Notation Difference Class 11 Permutations And Combinations Mathematics Class 11 Mcq

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