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Ex 7.2, 2 - Chapter 7 Class 11 Permutations and Combinations (Term 2)

Last updated at March 22, 2023 by

Ex 7.2, 2 - Is 3! + 4! = 7! - Chapter 7 Premutations - Ex 7.2

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Ex 7.2, 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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