VTMO 2026 - Grade 9 - Semifinal - SET 3 - Self-study Question 22

VTMO · VTMO 2026 - Grade 9 - Semifinal - SET 3 - Self-study

Question 22

For how many integers n is $n^2-20n+119$ a perfect square?

1. 0
2. 1
3. 2
4. 4
5. Infinitely many