一道数学题:解不等式log(x-1)(x2-5x+10)大于2

问题描述:

一道数学题:解不等式log(x-1)(x2-5x+10)大于2

不等式log(x-1)(x2-5x+10)>2即
log(x-1)(x2-5x+10)>log (x-1) (x-1)²
(i)当0<x-1<1 即1<x<2时,
得x²-5x+10