9x²-6x+1=0
a=9
b=-6
c=1
∆=b²-4ac
∆=(-6)²-4.9.1
∆= 36-36
∆=0
x= -b±√∆/2
x'=6+0/2
x'= 3
x"=6-0/2
x"= 3
Resposta:
x'=3,x"=3
(3,0);(3,0)
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9x²-6x+1=0
a=9
b=-6
c=1
∆=b²-4ac
∆=(-6)²-4.9.1
∆= 36-36
∆=0
x= -b±√∆/2
x'=6+0/2
x'= 3
x"=6-0/2
x"= 3
Resposta:
x'=3,x"=3
(3,0);(3,0)