Math Problem Statement

已知a<x≤2a+1成立的一个必要非充分条件是1<x<5,则实数a的取值范围是

Solution

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Math Problem Analysis

Mathematical Concepts

Inequalities
Real Numbers
Intersection of Intervals

Formulas

a < x ≤ 2a + 1
1 < x < 5

Theorems

Intersection of Intervals

Suitable Grade Level

Grades 9-12