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Esdras02
@Esdras02
December 2019
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Determinando a soma e o produto da equação 10x²+x-2=0 obtemse?
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exalunosp
10x² + x - 2 ==0
a = 10
b = +1
c = -2
S = -b/a = -1/10 ***
P = c/a = -2/10 ****
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Thanks 1
Esdras02
obg aaa <3
gabrielnlira0
Vamos lá
10x²+x-2=0 a=10 b=1 c= -2 Δ= b² -4ac x= -b +- √Δ/2a
Δ= 1² - 4.10.-2
Δ=1+80=81
x= -1+- 9/20
x'=-1-9/20= -10/20 = -0,5 x''= -1+9/20= 8/20
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Esdras02
mt obg sz
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a = 10
b = +1
c = -2
S = -b/a = -1/10 ***
P = c/a = -2/10 ****
10x²+x-2=0 a=10 b=1 c= -2 Δ= b² -4ac x= -b +- √Δ/2a
Δ= 1² - 4.10.-2
Δ=1+80=81
x= -1+- 9/20
x'=-1-9/20= -10/20 = -0,5 x''= -1+9/20= 8/20