Respostas

2014-08-31T22:42:53-03:00
  • Usuário do Brainly
2014-08-31T22:51:11-03:00
X(x-5)=-6

 x^{2} -5x+6=0

a=1
b=-5
c=6
Δ=b²-4ac
Δ=25-24
Δ=1
√Δ=√1
√1=±1

x'= \frac{5+1}{2} = \frac{6}{2} =3

x"= \frac{5-1}{2} = \frac{4}{2} =2

S={2,3}