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(1)计算:2log32-log3329+10g1318-5log59(2)解不等式:log2(2x+1)+2>log2(3-x)

题目详情
(1)计算:2log32-log3
32
9
+10g 
1
3
1
8
-5 log59
(2)解不等式:log2(2x+1)+2>log2(3-x)
▼优质解答
答案和解析
(1)2log32-log3329+10g 1318-5 log59=2log32-log332+log39+10g38-9=2log32-5log32+2+30g32-9=27g32-7(2)原不等式可化为log2(2x+1)+log222>log2(3-x)整理可得log2(8x+4)>log2(3-x),∴8x+4>...