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paflytka99
@paflytka99
July 2022
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2х в квадрате -5х+3=0
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2x2-5x+3=0
D=b2-4ac D=(-5)2-4*2*3 D=25+24=49 ^49 = 7
X1=5+7=12\4=3 X2=5-7=-2\4 = -2
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paflytka99
почему в дискриминанте получилось 25+24? D= 25-4*2*3=1 разве не так?
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D=b2-4ac D=(-5)2-4*2*3 D=25+24=49 ^49 = 7
X1=5+7=12\4=3 X2=5-7=-2\4 = -2