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leopaulino38
@leopaulino38
March 2022
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Determinante e matriz ajudem:
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claudiasoueu
41) y = 15 2
5 -1
=============
42) a) x³+0+4x²-3x-0-4x² = 0
x³ - 3x = 0
x(x² - 3) = 0
x' = 0
x²-3=0
x² = 3
x'' = √3
x''' = - √3
=======
b) x²+6x+6-2x-3x²+2x-2x-2 = 6
-2x² +4x+4-6=0
-2x² +4x-2=0
Δ = 4² - 4(-2)(-2)
Δ= 16-16
Δ=0
x =
-4+ou-0
-4
x' = x'' = 1
1 votes
Thanks 0
leopaulino38
Cara, você e bom mesmo, Eih !!! Valeu obrigado
claudiasoueu
dnd!!!
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5 -1
=============
42) a) x³+0+4x²-3x-0-4x² = 0
x³ - 3x = 0
x(x² - 3) = 0
x' = 0
x²-3=0
x² = 3
x'' = √3
x''' = - √3
=======
b) x²+6x+6-2x-3x²+2x-2x-2 = 6
-2x² +4x+4-6=0
-2x² +4x-2=0
Δ = 4² - 4(-2)(-2)
Δ= 16-16
Δ=0
x = -4+ou-0
-4
x' = x'' = 1