若A={x|(1/2)^(x+2)(x-3)>1}B={x|(3a-x)/(x-a)
问题描述:
若A={x|(1/2)^(x+2)(x-3)>1}B={x|(3a-x)/(x-a)
答
(1/2)^(x+2)(x-3)>1 (x+2)(x-3)
若A={x|(1/2)^(x+2)(x-3)>1}B={x|(3a-x)/(x-a)
(1/2)^(x+2)(x-3)>1 (x+2)(x-3)