Math Problem Statement

已知定义域为(a, +∞)的函数f(x)=x+1/(x-a)存在两个零点, 求实数a的取值范围.

Solution

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Math Problem Analysis

Mathematical Concepts

Functions
Quadratic Equations
Inequalities

Formulas

Quadratic equation formula

Theorems

Discriminant theorem
Vieta's formulas

Suitable Grade Level

Grades 10-12