Gia sư Thành Được www.daythem.edu.vn Câu 102 Giải phương trình 1/ log3 x 5 log x 1 log3 x 4/ x 8 x 6.2x 8 2/ 2log log 3/ log2 x log 22 x log 16 x x x 5/ 12.4 x 2 x 2 6.9 x 2 6/ lg2 100 x 2lg x 7lg10 x 3 7/ ln x 3ln ex 4ln x 8/ log 22 x 1 6log x 1 20 9/ 2.52 x1 29.10x 5.22 x1 11/ log x x log 3.2 x 12/ log 22 x 3.2 x 4log x 3.2 x 10/ log3 3x 18 log3 2.32 x 153 1 13/ lg lg x 3 lg 3x 1 14/ 64.9x 84.12x 27.16x 16/ log x log x 1 15/ log e x log e x 2 17/ log 225 x log125 x x 18/ lg x lg x 90 1 2lg x 19/ 25.54 x1 4.52 x 20/ log 22 x 3log x log 2 x2 21/ 2.25x 51 x 22/ 23/ log 2 x x 4.3x 3.2 x x 5 12 log x 24/ log 8.4 x 32 x 4log x1 16 x2 x1 25/ 9.4 x2 x 97.6 x2 x1 4.9 0 26/ log x 1 log x 1 3log125 x 1 log x 1 2 25 27/ x 16.22 x 20 29/ log x log 2 30/ 42 x - 2.4 x 32/ 8x x x 3.2 x 2 28/ log x log x x x log 42 x 31/ log x2 x 1 8 x 16 33/ log x3 x x log 2 x x log x 1 log 2 x 1 1 Gia sư Thành Được 34/ log x log www.daythem.edu.vn 2 x 35/ 2sin xsin x 36/ ln sin x sin x ln 37/ 2 x 38/ log3 log32 x 9 40/ x 1 3x 3 2 2 x2 2 x3 80 41/ 3ln x 1 24ln x 1 3log3 27 x x2 2 x3 39/ x4 x2 x1 3.5 x 42/ 32 x x 1 42 x 16.23 x 44/ 2 32 2 2sin2 3x2sin2 x x 43/ 2ln x ln x 3 45/ log x 3 log x 1 log 18 x 1 2 46/ 22 x 1 17.2 x 3 x log x 1 log x 48/ x 3x 2 x2 x 1 47/ x2 x 2 2 49/ 5.32 x 1 34.15 x 3.52 x 1 50/ log x2 10 x 2log3 x 3 1 51/ 4.32 x1 43.6 x 18.4 x 52/ log (3 x) 2log 25 (4 x) log 20 2 53/ 4x x1 3.2x x2 54/ log ( x 1) log ( x 5) log (3x 1) 2 55/ (3x x )(3x 3.2 x ) 8.6 x 56/ 57/ x2 45.6 x 9.4 x1 43 x 33 x 12 x x x 1 x x 3 58/ log 22 ( x 1) 6log x 59/ x3 x7 17 60/ log x x x log x 61/ 8log 22 63/ x x x 3log 2 62/ x3 3x 5 x6 2x 1 22 x x 64/ log32 ( x 1)2 log9 ( x 1)12 log 25 65/ 4.9 x1 22 x1 66/ 2 10 1 x x Gia sư Thành Được www.daythem.edu.vn 67/ 2log 24 x log x.log x5 2x 1 1 2 69/ x x 4.2 x x 22 x x17 68/ 32 x7 0, 25.128 x3 70/ log x log 3x x2 71/ log 21 (4 x) log 72/ 22 x1 22 x2 22 x3 448 73/ log 2 4 x x 6 x 3 2 6 75/ x 1 1 log x2 36 4 x 3 x 1 2 x 2.3x 9.3 x 19 0 78/ ln x 77/ 2log x 5log (25 x) 79/ 2 x 1 x 12 0 80/ 81/ 9log3 (1 x ) x 6 3x 76/ log 1 log 16 4 x 6 x 3 x 1 74/ 3x x x 2 x 2 x 4 82/ log32 x log32 x log5 2x 1 83/ log (1 x ) log (5 x) log (3 x) 84/ 25 4 x 2x 85/ x 1 87/ 4x 36.3x 2 x3 2log 2 1 89/ x 2 x 3 10.2x 3 x3 86/ log3 log x log3 log x x 2 x4 6 x x log 2 x x2 91/ 34 x 4.32 x1 27 93/ 4log 3 88/ x2 x 90/ log3 x 1 log x 3 log 2015 2015 92/ log x 3x 27 log 81x log x x log3 x log81 x4 94/ log x log x 95/ log x 16 log2 x 64 2 2x 96/ log5 x 15 log5 x 10 log 25 97/: 3 3 98/ 3.2x 4.2 x1 10 x1 12 99/ log22 x 5log2 x 100/ 132 x1 13x 12 Gia sư Thành Được www.daythem.edu.vn Câu 103 Giải bất phương trình 1/ 3.7 x1 7 x 2/: x2 x 4/ 8.2x1 16.2x1 12 5/ 32 x 2 x2 3/ 107 x1 6.1017 x x 1 6/ 2x2 3.22 x 26 12 3 7/ log x x 8/ 6.4 13.6 6.9 9/ x x x x 1 74 x x 1 10/ 2log3 (4 x 3) log (2 x 3) 11/ log 3.2 x 1 x 12/ log ( x 3) 2log 3.log x 13/ log x 2log ( x 1) log x 3 17/ 1 + 1 x x 3x 0 18/ log x 2 19/ x x1 x2 3x 3x1 3x2 20/ log 2.3x x2 1 3x x 22/ 50 23/ 232 x 3.21 x x 5 x 7 24/ log x 2 log x log log 2 x 2 2 x2 27/ log 22 x 2log 13 4 30/ log (2 x).log3 (3x) 32/ 22 x 3.2 x 3x 0 x 17.4 50 26/ 252 x x x 1 16 x2 3 x 21 2 5 28/ 5 2 92 x x x1 1 34.152 x x 1 29/ 2 log ( x 1) 1 31/ log x log 2 x x 33/ log 34/ x2 x 2x log x 21/ 27 2x log x 25/ x7 35/ log 2 x 3x log x x 37/ x 7 15/ 9.4 x 5.6 x 4.9 x 16/ 35 x2 5.35 x2 14/ log x log (4 x) x 3 x2 x 5 3 2x 2 36/ x 2 x.33x 4 43x 4.3x 2 x 38/: ln x 3ln x Gia sư Thành Được www.daythem.edu.vn ... 12 99/ log22 x 5log2 x 100/ 132 x1 13x 12 Gia sư Thành Được www.daythem.edu.vn Câu 103 Giải bất phương trình 1/ 3.7 x1 7 x 2/: x2 x 4/ 8.2x1 16.2x1 12. .. 2x2 3.22 x 26 12 3 7/ log x x 8/ 6.4 13.6 6.9 9/ x x x x 1 74 x x 1 10/ 2log3 (4 x 3) log (2 x 3) 11/ log 3.2 x 1 x 12/ log ( x 3) 2log... 2log 24 x log x.log x5 2x 1 1 2 69/ x x 4.2 x x 22 x x17 68/ 32 x7 0, 25 .128 x3 70/ log x log 3x x2 71/ log 21 (4 x) log 72/ 22 x1 22 x2 22 x3