No. 3! + 4! = (1x2x3) + (1x2x3x4) = 6 + 24 = 30 But, 7! = 1x2x3x4x5x6x7 = 5040. So they are different.

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Is 3! + 4! = 7!?

Asked by Ishfaque 10/11/2016 Last Modified 28/11/2016

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Learn Class XI-XII Tuition (PUC) +2 Mathematics Permutations

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