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dsdada
@dsdada
July 2021
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1+8х+16х^2 решите пожалуйста.
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brant1998
1+8х+16х^2=(1+4x)^2________________
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ekaterinakazak
1+8x+16x^2
D=b^2-4ac= 8^2 -4*1*16= 64-64=0
то 1 корень
x= -b|2a = -8|2*1 = -8|2 = -4
0 votes
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Answers & Comments
D=b^2-4ac= 8^2 -4*1*16= 64-64=0
то 1 корень
x= -b|2a = -8|2*1 = -8|2 = -4