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Pervaia
@Pervaia
July 2022
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решите графически квадратное уравнение -x^2-2x+3=0
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korsar12
-x^2-2x+3=0
d = 4 - 4 * -1 * 3 = 16 = 4
x1 = 2 + 4/2 = 3
x2 = 2 - 4/2 = -1
Ответ: 3 и -1
1 votes
Thanks 3
korsar12
ааа графичеки
korsar12
ну корни есть, осталось нарисовать)
Pervaia
спасибо)
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Answers & Comments
d = 4 - 4 * -1 * 3 = 16 = 4
x1 = 2 + 4/2 = 3
x2 = 2 - 4/2 = -1
Ответ: 3 и -1