webbjalia04
12.12.2020 •
Mathematics
Log (x-1) + log (x+1)=3
Solve for x
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Ответ:
log (x-1)/(x+1) = log 10^3 ;
= 1000; x-1 = (x+1)*1000 ; x-1 = 1000x + 1000 ; 999x = -1001 ; x = -1001/999 ; x ≈ -1
Ответ:
10x+36=-18x+2
28x=-34
x=
x=