设条件p:2x^2-3x+1

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/23 14:13:21
设条件p:2x^2-3x+1设条件p:2x^2-3x+1设条件p:2x^2-3x+1p:2x²-3x+1≤0(2x-1)(x-1)≤01/2≤x≤1非p:x1q:x^2-(2a+1)x+a(

设条件p:2x^2-3x+1
设条件p:2x^2-3x+1<=0,条件q:x^2-(2a+1)x+a(a+1)<=0,若非p是非q的必要不充分,

设条件p:2x^2-3x+1
p:2x²-3x+1≤0
(2x-1)(x-1)≤0
1/2≤x≤1
非p:x1
q:x^2-(2a+1)x+a(a+1)≤0
(x-a)[x-(a+1)]≤0
a≤x≤a+1
非q:xa+1
非p是非q的必要不充分条件
则:
a≤1/2
a+1≥1
解得:0≤a≤1/2