解不等式log(2x^2-1) (3x^2+2x-1)
1个回答
我说一下方法吧.
首先,定义域要求2x^2-1>0且≠1,3x^2+2x-1>0,
然后,讨论 若2x^2-12x^2-1
若2x^2-1>1,3x^2+2x-1
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