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alyonaogs
@alyonaogs
June 2022
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(3-2х) всё в квадрате =0,04
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Juliaa21
(3-2x)²=0.04
9-12x+4x²=0.04
4x²-12x+9-0.04=0
4x²-12x+8.96|:4
x²-3x+2.24=0
D=9-4*1*2.24=9-8.96=0.04
x1=(3+0.2)/2=3.2/2=1.6
x2=(3-0.2)/2=2.8/2=1.4
Ответ:1,4;1,6
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Answers & Comments
9-12x+4x²=0.04
4x²-12x+9-0.04=0
4x²-12x+8.96|:4
x²-3x+2.24=0
D=9-4*1*2.24=9-8.96=0.04
x1=(3+0.2)/2=3.2/2=1.6
x2=(3-0.2)/2=2.8/2=1.4
Ответ:1,4;1,6