Ինքնուրույն աշխատանք

1. log0,2
   (x − 1) =− 2
2. log (3x 9) 7 − 2 = 2
3. log0,5
   (2x − 4) =− 2
4. log (x x) 3
   2 − 2 = 1
5. log (5 x) 5 − 3 = 2
6. log (x )≥1 3 + 2
7. log (9 ) 7 − x > 0
8. log ( x ) ≥0 0,7 2
   1 − 2
9. log0,7(8x-23)=0
10. 2log2(x-5)+log √2
    (x+2)=6
11. 1/ lg10x +6/ lg x+5 =1
12. logx81x
    2 *log9√x=3
13. x
    log
    3
    x-3=81
14. log2(x-5) ≥3
15. log3(x
    2+7x-5)<1
16. lg(7x+5)< 1+ lg3

1. ×=26

2. ×=26

3. ×=4

4. ×=-1, ×2=3

5. ×=20/3

6. ×€[1,+∞)

7. ×€<-∞ ,8>