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1 October, 06:42

Indicate the formula for the following conditions.

C (n, r) =

I got C (n, r) = (n r.) = n! r! (n-r) ! so far but I'm not sure what to do after this

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  1. 1 October, 06:47
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    nCr = n! / (r! (n-r) !),

    Step-by-step explanation:

    The formula for C (n, r), also known as "n choose r" or a combination,

    is:

    nCr = n! / (r! (n-r) !),

    where n is the total number of options and r is number you must choose

    The number generated is the total number of possible combinations.

    The! means factorial. For example, 4! = 4 x 3 x 2 x 1
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