Question

quem souber fazer o calculo mim ajude (n+3)! . (n-1)!/(n-2)! .(n+2)!

Answer 1

(n+3)! . (n-1)!/(n-2)! .(n+2)!
(n+3) . (n+2)! . (n-1) . (n-2)!/(n+2)! . (n-2)!
(n+3)  . (n-1)
n²-n +3n - 3

n²+2n-3=0
Delta=2²-4x1x(-3)
Delta=4+12
Delta=16=>Vou chamar de X

X=-b+/-$\sqrt{x}$Delta/2xa
X=-2+/-$\sqrt{x}$16/2
X= -2+/-4/2
X=-3
ou
X=1(correta)!!