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9 February, 18:03

What does the symbol for factorial function (n!) mean?

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  1. 9 February, 18:24
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    N! = n * (n-1) * (n-2) * ... right down to 1

    For example 5! = 5*4*3*2*1
  2. 9 February, 18:25
    0
    it means to multiply all the numbers below n together

    example 5! would be 5*4*3*2*1 = 120
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