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tonya9716
@tonya9716
July 2022
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1. 1-lg(x2+1)=0
2. log3(x^-1+2)=1
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ulenka31
1. 1-lg(x^2+1)=0
lg(x^2+1)=1
(x^2+1)=10
Х^2=9
Х1=-3; Х2=3
2. log3(x^-1+2)=1
3=x^-1+2
3=1/x+2
1/х=1
Х=1
1 votes
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Answers & Comments
lg(x^2+1)=1
(x^2+1)=10
Х^2=9
Х1=-3; Х2=3
2. log3(x^-1+2)=1
3=x^-1+2
3=1/x+2
1/х=1
Х=1