Question

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

Answer 1

Ответ:

Решите неравенства:

1)Log2(x)>3

2)Log1/3(2x)>-2

3)Log5(3x-1)<1

4)Log3(2-4x)<=1

5)Log0,5(1+2x)>-1

6)Log1/7(5x+3)>=-1/2

7)...

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