Giai cac phuong trinh sau:
1,$log_{2x}64+log_{x^2}16=3$
2,$log_{x}2+2log_{2x}4=log_{\sqrt{2x}}8$
3,$log_{2}(1+\sqrt{x})=log_{3}$
4,$x+ln(x^2-x-6)=4+ln(x+2)$
5,$log_{2}\frac{x^2-x+1}{2x^2-4x+3}=x^2-3x+2$
Giai cac phuong trinh sau:
1,$log_{2x}64+log_{x^2}16=3$
2,$log_{x}2+2log_{2x}4=log_{\sqrt{2x}}8$
3,$log_{2}(1+\sqrt{x})=log_{3}$
4,$x+ln(x^2-x-6)=4+ln(x+2)$
5,$log_{2}\frac{x^2-x+1}{2x^2-4x+3}=x^2-3x+2$
0 thành viên, 0 khách, 0 thành viên ẩn danh