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Giup e hai phuong trinh log sau
1/Log3 (x^2 +x+1) - log3 (x)= -x^4+x^2+2x-1
2/Log3 (x^2 -x+2) -log3 (x) = -x^4 +x^2
Log3 () la log co so 3 a.
1/Log3 (x^2 +x+1) - log3 (x)= -x^4+x^2+2x-1
2/Log3 (x^2 -x+2) -log3 (x) = -x^4 +x^2
Log3 () la log co so 3 a.