Question 885075
12! = 12*11*10*9*8*7*6*5*4*3*2*1 = 479,001,600


5! = 5*4*3*2*1 = 120


2! = 2*1 = 2



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So,


12!/(5!*5!*2!) = (479,001,600)/(120*120*2) = <font color="red">16,632</font>