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serjstrelborlak
@serjstrelborlak
July 2022
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найдите дискриминант 3x^2+2x-8
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ewgenijbark
Verified answer
3х² + 2х - 8 = 0
D = 2² - 4 * 3 * (-8) = 4 + 96 = 100
√D = 10
x1 = (-2-10)/2*3 = -2
[2 = (-2+10)/2*3 = 8/6 = 4/3 = 1 целая 1/3
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Answers & Comments
Verified answer
3х² + 2х - 8 = 0D = 2² - 4 * 3 * (-8) = 4 + 96 = 100
√D = 10
x1 = (-2-10)/2*3 = -2
[2 = (-2+10)/2*3 = 8/6 = 4/3 = 1 целая 1/3