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Ex 7.2,1 - Chapter 7 Class 11 Permutations and Combinations - Part 2

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Ex 7.2,1 - Chapter 7 Class 11 Permutations and Combinations - Part 3

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Ex7.2, 1 (Method 2) Evaluate (ii) 4! 3! 4! 3! = 4 3! 3! = 3! (4 1) = 3! 3 = 3 2 1 3 = 18 Ex 7.2, 1 Evaluate 8! 8! = 1 2 3 4 5 6 7 8 = 40320

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.