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Class 11 Mathematics Permutations and Combinations Factorial notationHard

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What is the value of ( \frac{8!}{3!\cdot5!}+\frac{7!}{2!\cdot5!} )?

Answer and explanation

Correct answer: (91)

The first term is (56) and the second term is (35), so the sum is (91). Simplify each term separately in mixed expressions.

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

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