A={X|logx (5x^2-8x+3)>2} B={x|x^2-2x-a^4+1>=
问题描述:
A={X|logx (5x^2-8x+3)>2} B={x|x^2-2x-a^4+1>=
答
logx (5x2;-8x+3)>2 logx (5x2;-8x+3)>logx x2; 1、若0
A={X|logx (5x^2-8x+3)>2} B={x|x^2-2x-a^4+1>=
logx (5x2;-8x+3)>2 logx (5x2;-8x+3)>logx x2; 1、若0