Найдите множество корней уравнения:
2у^2+10у+12,5=0
2у^2+10у+12,5=0.
D=100- 100=0
x= -10/4= -2.5
2(y^2+5y +6.25)=0
2(y +2.5)^2 =0
y = -2.5
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2у^2+10у+12,5=0.
D=100- 100=0
x= -10/4= -2.5
2(y^2+5y +6.25)=0
2(y +2.5)^2 =0
y = -2.5