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Laison14
@Laison14
December 2019
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Calcule o discriminante da equação 4x²-7x-12=0
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lekmen123
O discriminante é 241 pois fica 49 -4.(4).(-12)
2 votes
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k2020
A=4 B=-7 C=-12
∆=-7²-4×4×(-12)
∆=49-96
∆=-20
n existe x¹ e X² em R
0 votes
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∆=-7²-4×4×(-12)
∆=49-96
∆=-20
n existe x¹ e X² em R