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PERMUTATIONS AND COMBINATIONS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSPERMUTATIONS AND COMBINATIONS1 Mark
Question
Is 3! + 4! = 7!?
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Answer

Here $3! + 4! = 3 \times 2 \times 1 + 4 \times 3 \times 2 \times 1 = $$6 + 24 = 30$
$7! = 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1 = 5040$
$3! + 4! \ne 7!$

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