解不等式 a^2·x^logax>x^(9/2)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/07 17:17:08
解不等式a^2·x^logax>x^(9/2)解不等式a^2·x^logax>x^(9/2)解不等式a^2·x^logax>x^(9/2)a^2·x^logax>x^(9/2),则x>0当a>1,两边

解不等式 a^2·x^logax>x^(9/2)
解不等式 a^2·x^logax>x^(9/2)

解不等式 a^2·x^logax>x^(9/2)
a^2·x^loga x>x^(9/2),则x>0
当a>1,
两边取以a为底对数,
得logax*logax+9/2logax+2>0
得 0