1)lg2x=1 2)log34√3 ^3√3 3)log5x+log√5x-log1/5x=3 4)log2x+logx2=2 5)log2lg(x+5)=0 6)log21/2x+5log1/2x=0 7)log25(1/5log3(2-log1/2x))=-1/2
hehal :
1)lg2x=1
2)log34√3 ^3√3
3)log5x+log√5x-log1/5x=3
4)log2x+logx2=2
5)log2lg(x+5)=0
6)log21/2x+5log1/2x=0
7)log25(1/5log3(2-log1/2x))=-1/2