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


Transcript

Ex 7.2, 2 Is 3! + 4! = 7!? L.H.S 3! + 4! = 3 × 2 × 1 + 4 × 3 × 2 × 1 = 6 + 24 = 30 Hence 3! + 4! ≠ 7!

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