2015 AMC 12A Problems/Problem 10
Problem
Integers and with satisfy . What is ?
Solution
Use SFFT to get . The terms and must be factors of , which include . Because , is equal to or . But if , then and so .
Video Solution by OmegaLearn
https://youtu.be/ba6w1OhXqOQ?t=4512
~ pi_is_3.14
See Also
2015 AMC 12A (Problems • Answer Key • Resources) | |
Preceded by Problem 9 |
Followed by Problem 11 |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | |
All AMC 12 Problems and Solutions |