Ax-3,2 e A2x+1,3.
pra concurseiros:
A(x-3),2 = (x-3).(x-4)
A(2x+1),3 = (2x+1).(2x). (2x-1)
escolar:
Ax-3, 2
m!/(m-p)!
(x-3)!/(x-3 -2)!
(x-3)!/(x-5)!
(x-3).(x-4).(x-5)!/(x-5)!
(x-3).(x-4)
A2x+1, 3
(2x+1!/(2x+1 -3)!
(2x+1)!/(2x-2)!
(2x+1).(2x).(2x-1).(2x-2)!/(2x-2)!
(2x+1).(2x).(2x-1)
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Verified answer
pra concurseiros:
A(x-3),2 = (x-3).(x-4)
A(2x+1),3 = (2x+1).(2x). (2x-1)
escolar:
Ax-3, 2
m!/(m-p)!
(x-3)!/(x-3 -2)!
(x-3)!/(x-5)!
(x-3).(x-4).(x-5)!/(x-5)!
(x-3).(x-4)
A2x+1, 3
m!/(m-p)!
(2x+1!/(2x+1 -3)!
(2x+1)!/(2x-2)!
(2x+1).(2x).(2x-1).(2x-2)!/(2x-2)!
(2x+1).(2x).(2x-1)