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lalka121
@lalka121
August 2022
2
5
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x²+19x+48=0
(Через ВИЕТА, или ДИСКРИМИНАНТ)
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dimoncas
По теореме Виета
x1 + x2 = -19
x1*x2 = 48
x1 = -16
x2 = -3
4 votes
Thanks 4
dimoncas
поменял решение, то не правильно было
lalka121
окей
KapLan5960
Ща будет
Д=(19)^2-4*1*48=361-192=169>0
x1= ДРОбЬ -19+13 = -3
2
x2= Дробь -19-13 = -16
2
7 votes
Thanks 7
lalka121
спасибо)
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Answers & Comments
x1 + x2 = -19
x1*x2 = 48
x1 = -16
x2 = -3
Д=(19)^2-4*1*48=361-192=169>0
x1= ДРОбЬ -19+13 = -3
2
x2= Дробь -19-13 = -16
2