已知0

来源：学生学帮网编辑：学帮网时间：2024/07/01 04:40:04

已知0请写出较完整的解答过程

01
logab<0,logba<0
logab=1/logba
logab+logba
=logab+1/logab
=-[-logab+1/(-logab)]
<=-2
当logab=1/logab
取等.
取值范围为(-无穷,-2]