Question

efetue os calculos propostos com os coeficientes binominais dados: b) (21/8)+(21/9)
c) (18/3)+(18/4)+(19/5) d)(21/8)+(22/10)+(21/9)+(23/11) e)(27/21)+(27/5)

Answer 1

Boa tarde Jennifer

o coeficiente binomial é dado pela formula

C(n,k) = n!/(n-k)!k!

b) C(21,8)+ C(21,9) =  203490 + 293930 = 497420
c) C(18,3) + C(18,4) + C(19,5) = 816 + 3060 +  11628 = 15504
d) C(21,8) + C(22,10) + C(21,9) + C(23,11) = 203490 +  646646 + 293930 + 1352078 = 2496144
e) C(27,21) + C(27,5) = 296010 + 80730 = 376740