logx4＜2,logx2＞-1,logx2＜1/3

Question

logx4＜2 ,logx2＞-1,logx2＜1/3

Answer 1

1) logx4＜2 =logx x²,
若x>1,则4 x>2;
若 0 01时,则2>1/x,=> x>1/2,=>x>1;
0