Evaluate 4! - 3!...

Evaluate
4! - 3!

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The correct Answer is:

18

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NCERT TAMIL-PERMUTATIONS AND COMBINATIONS-EXERCISE 7.2

Evaluate 8!
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Evaluate 4! - 3!
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Is 3! + 4! = 7!?
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Compute (8!)/(6! xx 2!)
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If (1)/(6!)+(1)/(7!)=(x)/(8!), find x
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Evaluate (n!)/((n-r)!), when n = 6, r = 2
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Evaluate (n!)/((n-r)!), when n = 9, r = 5
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