Решите логарифмические уравнения 1. log2x=3
2. log3x=log3 9
3. log1/2 ( 2x-4)=-2
4. log3 (x2-3) = log3 ( 2x )
5. log x+1 ( x2+3x-7) =2
6. lg2(x+1) + 10= 1 11g (x+1)
7. log7 (2x-3)=log7x
8. log7 (50x-1)=2
9. 1/2log2 ( x-4 ) +1/2log2 (2x-1)=log2 3
2. log3x=log3 9
3. log1/2 ( 2x-4)=-2
4. log3 (x2-3) = log3 ( 2x )
5. log x+1 ( x2+3x-7) =2
6. lg2(x+1) + 10= 1 11g (x+1)
7. log7 (2x-3)=log7x
8. log7 (50x-1)=2
9. 1/2log2 ( x-4 ) +1/2log2 (2x-1)=log2 3