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SAsSddsd
@SAsSddsd
June 2022
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Помогите решить уравнения : 4x^2-x-3=0
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Answers & Comments
AnnColdMak
Д=1-4*4*(-3)=1+48=49
√д=7
х1=1+7/8=1
х2=1-7/8=-3/4=-0.75
проверка
4-1-3=0
0=0
4*9/16 +0.75-3=2.25+0.75-3=0
0=0
ответ: 1;-0.75
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Answers & Comments
√д=7
х1=1+7/8=1
х2=1-7/8=-3/4=-0.75
проверка
4-1-3=0
0=0
4*9/16 +0.75-3=2.25+0.75-3=0
0=0
ответ: 1;-0.75