Nilai n jika P(n,n-2) = 12 adalah....
tolong bantu yaaa:
n!/(n-(n-2))!=12
n!/2!=12
terus gimana???
tolong bantu yaaa:
n!/(n-(n-2))!=12
n!/2!=12
terus gimana???
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12 = n! / (n - n + 2)!
12 = n! / 2
n! = 12 x 2
n! = 24
n = 4