Bai tap PTBPT mu va logarit - 12 co ban

BÀI TẬP PT, BPT MŨ VÀ PT, BPT LÔGARIT 1. 042.24 1 =+− +xX 2. 9 1 3 14 2 = +− xx 3. 12 65 2 = +− xx 4. 8 1 2 152 2 = −− xx 5. 1522 22 =− −+ xx 6. 2 2 1 13 2 =       +− xx 7. 9 2 )2(log = − x x x 8. 2162 2 5 6 2 = −− xx 9. 4 73 2 1 2 1 2 2.25.016 − + + − − = x x xx 10. 6255 2 = x 11. )1(2 816 xx −− = 12. 1log2)96(log 32 2 8 −+− = xxx x 13. 991010 22 11 =− −+ xx 14. 4 10 lg 1 x x x = 15. 32 4log 2 = + x x 16. 9 2 )2(log = −x x x 17. xxx 4log2log.log 222 = 18. 4lglg3lg 22 −=− xxx 19. 3 log1 6 log 2 22 = + + xx 1. 1255 1 2 ≤ +−XX 2. 17 63 > + x 3. 3 1 27 ≤ x 4. 4 2 1 45 2 >       +− xx 5. 2 2 9)3( − > x x 6. 3773 3 7 7 3 −−       ≥       xx 7. 222 7 8 2 3 −−       ≤       xx 8. 055.425 <−− x x 9. 3 3 1 .29 2 2 2 2 ≤       − − − xx xx 10. 0224 <−− xx 11. xxx 96.24.3 ≤− 12. 21432 55222 +++++ −>−− xxxxx 13. 13732 3.26 −++ < xxx 14. 0103.93 <−+ − xx 15. 2 6 39 + < x x 16. 5log 2 < x 20. x.lg2 + lg(1+2 x ) = lg6 21. 1)1(loglog 22 =−+ xx 22. 6 33 logloglog 842 =++ xxx 23. 13log2)12(log 123 +=+ +x x 24. 1)13(log 2 1 =+− + xx x 25. x x −=− 3)29(log 2 26. 2log 32 = − x x 27. 5loglog3 93 =− xx 28. 3 5 log3loglog 2793 =++ xxx 29. 3logloglog 2 142 =+ xx 30. 0 6 7 log2log 4 =+− x x 17. )2(log)1(log 2 2 1 xx −≤+ 18.       + >− 1 2 log)2(log 25.025.0 x x 19. 6logloglog 3 1 3 3 <++ xxx 20. 02loglog 2 1 2 2 1 ≤−+ xx 21. )86ln()105ln( 2 ++>+ xxx 22. 4)82(log 2 2 1 −≥−+ xx 23. 3)1(log 2 2 ≥− x 24. 1)5(log)3(log 33 <−+− xx 25. 055.265 12 >+− + xx 26. 2)326(log 5 >− x 27. 2)413(log 3 >− x 28. 1)1(log) 2 1 (log 2 1 2 1 ≤−+− xx 29. 1log) 2 1 (log 2 1 2 1 ≥++ xx 30. )4(log)8(log 2 1 5 1 5 1 −≥+ xx . x.lg2 + lg(1+2 x ) = lg6 21. 1)1(loglog 22 =−+ xx 22. 6 33 logloglog 842 =++ xxx 23. 13log2 )12( log 123 +=+ +x x 24. 1)13(log 2 1 =+− + xx x 25. x x −=− 3)29(log 2 26. 2log 32 = − x x 27. 5loglog3 93 =−. 2162 2 5 6 2 = −− xx 9. 4 73 2 1 2 1 2 2.25.016 − + + − − = x x xx 10. 6255 2 = x 11. )1(2 816 xx −− = 12. 1log2)96(log 32 2 8 −+− = xxx x 13. 991010 22 11 =− −+ xx 14. 4 10 lg 1 x x x = 15. 32 4log 2 = + x x 16 9 2 )2(log = −x x x 17. xxx 4log2log.log 222 = 18. 4lglg3lg 22 −=− xxx 19. 3 log1 6 log 2 22 = + + xx 1. 125 5 1 2 ≤ +−XX 2. 17 63 > + x 3. 3 1 27 ≤ x 4. 4 2 1 45 2 >       +− xx 5. 2 2 9)3( − > x x 6.