NP5 = 10 × (n-1)P2 . Plisss bantu jawab, buat pr besokk
sylvia1997
Jawabnya panjanggg bangettt
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nabyliaadhara
Difoto trs kirim lwt email mau nggak?
mdnrhlm
nP5=10x(n-1)P2
mdnrhlm
nP5=10x(n-1)P2
n!/(n-5)! = 10x(n-1)!/(n-1-2)!
n/(n-5)!=10/(n-3)!
n=10/(n-3)x(n-4)
n(n-3)(n-4)=10
n3-7n2+12n-10=0
n3-7n2+12n-10=0
(n-5)(n2-2n+2)=0
n=5
