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patrikeevilya2
@patrikeevilya2
July 2022
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6х2 + х – 7 = 0
Решите через
b² - 4ac
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007mihail007p4cl09
Д = 1 + 4 × 6 × 7 =1 + 168 = 169. √Д = 13
х1 = (-1 - 13) / 12 = -14 /12 = -1 целая 1/6
х2 = (-1 + 13) /12 = 12/12 = 1
Ответ: -1 1/6 ; 1
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007mihail007p4cl09
Д - это дискриминант
justgamer2000
D=b^2-4ac
D^2=1^2-4*6*(-7)=169
x1,2=(-b+-D)/ac=(-1+-13)/12=1, -7/6
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justgamer2000
ответ проверен программой... всё правильно.
patrikeevilya2
Какой ?
007mihail007p4cl09
мой
patrikeevilya2
Какой сатйт
007mihail007p4cl09
не знаю
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Answers & Comments
х1 = (-1 - 13) / 12 = -14 /12 = -1 целая 1/6
х2 = (-1 + 13) /12 = 12/12 = 1
Ответ: -1 1/6 ; 1
D^2=1^2-4*6*(-7)=169
x1,2=(-b+-D)/ac=(-1+-13)/12=1, -7/6