解不等式log2^(5x^2 -8x +4) >3
问题描述:
解不等式log2^(5x^2 -8x +4) >3
答
5x^2 -8x +4>2^3=8
5x^2-8x-4>0
(5x+2)(x-2)>0
x>2 or x