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MathNet 2026 — Part 03 Question 146

Math Olympiad Vault · MathNet 2026 — Part 03

Question 146

The inequality $$
|x-1|\lt a x
$$ is considered where $a$ is a real parameter.
a) Discuss the inequality according to the values of $a$.
b) Characterize the values of $a$ for which the inequality has exactly two integer solutions.