2^(2x+1)<2^(x+2)+2^(x-1)-1的解集是??

热心网友

2^(2x+1)<2^(x+2)+2^(x-1)-12*2^2x<4*2^x+1/2*2^x-12*2^2x-4*2^x-1/2*2^x+1<02*2^2x-9/2*2^x+1<04*2^2x-9*2^x+2<0(4*2^x-1)(2^x-2)<01/4<2^x<2-2

热心网友

解为X<负1