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@84953277395
July 2022
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√x^2-5 = √x+1 решите пожалуйста , срочно!!
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SalamatMaksetov
(√x^2-5)^2=(√x+1)^2
x^2-5=x+1
x^2-x-6=0
D=1-4*(-6)=25=5^2
X1,2=(1±5)/2
X1=3; X2=-2
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Answers & Comments
x^2-5=x+1
x^2-x-6=0
D=1-4*(-6)=25=5^2
X1,2=(1±5)/2
X1=3; X2=-2