Resposta :
a=1 b=12 c=36
[tex]x= \frac{-12+- \sqrt{12 ^{2} -4.1.36} }{2.1} [/tex]
[tex]x= \frac{-12+- \sqrt{144-144} }{2} [/tex]
[tex]x= \frac{-12+- \sqrt{0} }{2} [/tex]
[tex]x= \frac{-12+0}{2} = \frac{12}{2} =6[/tex]
[tex]x= \frac{-12-0}{2}= \frac{12}{2} =6[/tex]
[tex]V=6[/tex]
[tex]x= \frac{-12+- \sqrt{12 ^{2} -4.1.36} }{2.1} [/tex]
[tex]x= \frac{-12+- \sqrt{144-144} }{2} [/tex]
[tex]x= \frac{-12+- \sqrt{0} }{2} [/tex]
[tex]x= \frac{-12+0}{2} = \frac{12}{2} =6[/tex]
[tex]x= \frac{-12-0}{2}= \frac{12}{2} =6[/tex]
[tex]V=6[/tex]
y² + 12y + 36 = 0
[tex]\Delta = b^2 - 4 ac[/tex]
[tex]\Delta = 12^2 - 4 * 1 * 36[/tex]
[tex]\Delta = 144 - 144[/tex]
[tex]\Delta = 0[/tex]
X = -b ± √∆
x = - ( 12 )² ± √∆
x = 144 ± 0
x' = 12 + 0 = 12 / 2 = 72
x'' = 12 - 0 = 12 / 2 = 72.
Lembre-se: Se meu ∆ for igual a 0, só teremos uma raiz.
[tex]\Delta = b^2 - 4 ac[/tex]
[tex]\Delta = 12^2 - 4 * 1 * 36[/tex]
[tex]\Delta = 144 - 144[/tex]
[tex]\Delta = 0[/tex]
X = -b ± √∆
x = - ( 12 )² ± √∆
x = 144 ± 0
x' = 12 + 0 = 12 / 2 = 72
x'' = 12 - 0 = 12 / 2 = 72.
Lembre-se: Se meu ∆ for igual a 0, só teremos uma raiz.