You need to evaluate the binomial coefficient, using the next formula, such that:
`nCk= (n!)/(k!(n-k)!)`
You need to replace 12 for n and 0 for k, such that:
`12C0= (12!)/(0!(12-0)!) )=> 12C0= (12!)/(0!12!)`
`12C0= (1)/(0!)`
By definition, `0! = 1` :
`12C0 = (1)/(1) = 1`
Hence, evaluating the binomial coefficient yields `12C0 = 1.`
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