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Arthur2121
@Arthur2121
November 2019
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Qto fica v(2x+2)=2x v=raiz quadrada
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geokleinkaufc
Olá!
Eleva ao valor do índice do radical:
a = 2
b = -2
c = 2
Resolvendo:
/\ = (-2)² - 4.2.2
/\ = 4 - 16
/\ = - 12
S = Ø
0 votes
Thanks 1
mariocezar
Olá boa noite ☺
vamos lá
2x+2=4x^2
2x+2-4x^2=0
-4x^2+2x+2=0
2x^2 - x - 1= 0
x= - (-1)\/(-1)^2 -4.2. (-1)/2. 2
x= 1+/- \/1+8/4
x=1+/- \/9/4
x=1+/-3 /4
x'=1+3/4
x"=1-3/4
x1=1
x2= - 1/2
0 votes
Thanks 1
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Lista de comentários
Eleva ao valor do índice do radical:
a = 2
b = -2
c = 2
Resolvendo:
/\ = (-2)² - 4.2.2
/\ = 4 - 16
/\ = - 12
S = Ø
vamos lá
2x+2=4x^2
2x+2-4x^2=0
-4x^2+2x+2=0
2x^2 - x - 1= 0
x= - (-1)\/(-1)^2 -4.2. (-1)/2. 2
x= 1+/- \/1+8/4
x=1+/- \/9/4
x=1+/-3 /4
x'=1+3/4
x"=1-3/4
x1=1
x2= - 1/2