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Abreu13
@Abreu13
November 2019
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Determine as raízes da equação 4x²-9= 0
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lelunardi1
4x² - 9 = 0 equação do 2o. grau incompleta, onde
a = 4 b = 0 c = -9
Δ = b² - 4.a.c
Δ = o² - 4.4.-9
Δ = 0 + 144
Δ = 144
x = -b +- √Δ / 2a
x = +- √144/2.4
x = +- 12 / 8
x = +- 3/2 S={+3/2, -3/2}
1 votes
Thanks 2
jacquefr
Raízes:
e
Bons estudos!
1 votes
Thanks 2
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a = 4 b = 0 c = -9
Δ = b² - 4.a.c
Δ = o² - 4.4.-9
Δ = 0 + 144
Δ = 144
x = -b +- √Δ / 2a
x = +- √144/2.4
x = +- 12 / 8
x = +- 3/2 S={+3/2, -3/2}
Raízes:
Bons estudos!