解不等式(x2-3x+2)/(x2-5x-6)>(x2-5x-6)/(x2-3x+2)
问题描述:
解不等式(x2-3x+2)/(x2-5x-6)>(x2-5x-6)/(x2-3x+2)
答
(x2-3x+2)/(x2-5x-6)>(x2-5x-6)/(x2-3x+2)(x-1)(x-2)/(x-6)(x+1)>(x-6)(x+1)/(x-1)(x-2)(x-1)(x-2)/(x-6)(x+1)-(x-6)(x+1)/(x-1)(x-2)>0[(x-1)(x-2)]^2-[(x-6)(x+1)]^2/ (x-6)(x+1...