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Nata9911
@Nata9911
August 2022
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Подберите хотя бы один корень уравнения: [tex]5 x^{2} -x-6=0[/tex]
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witch2
Verified answer
5x^2 - x - 6 = 0
D = (-1)^2-4*5*(-6)=1+120 = 121
VD = V121 = 11
x1 = 1+11/2*5 = 12/10 = 1 2/10 = 1 1/5
x2 = 1-11/2*5 = -10/10 = -1
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Answers & Comments
Verified answer
5x^2 - x - 6 = 0D = (-1)^2-4*5*(-6)=1+120 = 121
VD = V121 = 11
x1 = 1+11/2*5 = 12/10 = 1 2/10 = 1 1/5
x2 = 1-11/2*5 = -10/10 = -1