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220djkma
@220djkma
October 2021
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решение 6 и 7 примера
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nikled32
6) 3x^2-3x+4=0
D=b^2-4ac
D=9-48=-39 нет решения
7)5x^2+8x+3=0
D=64-60=4
x(1)=(-b^2+(корень из D))/2a x(2)=(-b^2-(корень из D))/2a
x(1)=(64+2)/10=6,6
x(2)=(64-2)/10=6,2
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220djkma
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Answers & Comments
D=b^2-4ac
D=9-48=-39 нет решения
7)5x^2+8x+3=0
D=64-60=4
x(1)=(-b^2+(корень из D))/2a x(2)=(-b^2-(корень из D))/2a
x(1)=(64+2)/10=6,6 x(2)=(64-2)/10=6,2