解不等式的问题!2^(2x+1)<2^(x+2)+2^(x
2^(2x+1)<2^(x+2)+2^(x-1)-1的解集是??
2^(2x+1)<2^(x+2)+2^(x-1)-1 2*2^2x<4*2^x+1/2*2^x-1 2*2^2x-4*2^x-1/2*2^x+1<0 2*2^2x-9/2*2^x+1<0 4*2^2x-9*2^x+2<0 (4*2^x-1)(2^x-2)<0 1/4<2^x<2 -2