Ex 6.2, 2 - Chapter 6 Class 11 Permutations and Combinations

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Ex 6.2, 2 - Chapter 7 Class 11 Permutations and Combinations - NCERT Is 3! + 4! = 7!? L.H.S 3! + 4! = 3 × 2 × 1 + 4 × 3 × 2 × 1 = 6 + 24 = 30 R.H.S 7! = 1 × 2 × 3 × 4 × 5 × 6 × 7 = 5040 Hence 3! + 4! ≠ 7!

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo