解不等式 log1/5 (x+2)<log1/5 (2x-3)
2个回答
log1/5 (x+2)<log1/5 (2x-3)
=>
log1/5[(x+2)/(2x-3)]
x+2>0
2x-3>0
(x+2)/(2x-3)>1
=> x
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