问题
填空题
不等式log2(x-1)+log2x<1的解集是______.
答案
∵log2(x-1)+log2x<1,
∴log2(x2-x)<log22,
∴
,x-1>0 x>0 x2-x<2
解得1<x<2.
故答案为:(1,2).
不等式log2(x-1)+log2x<1的解集是______.
∵log2(x-1)+log2x<1,
∴log2(x2-x)<log22,
∴
,x-1>0 x>0 x2-x<2
解得1<x<2.
故答案为:(1,2).