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OpenStudy (anonymous):
16! ------ = 4!12!
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OpenStudy (anonymous):
dont do it brutal - help her
OpenStudy (anonymous):
16*15*14*13*12!/(4!*12!) cancel the 12!s and post ur response
OpenStudy (anonymous):
n!=n*(n-1)*(n-2)*(n-3)...*(n-(n-1))
OpenStudy (anonymous):
so like: 5!=5*4*3*2*1
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