This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: divisible is 2 by divisible is that square Any 4 by divisible be must Thus 2 a 4 by divisible be must 2 2 b 2 by divisible be must means which 2 b factor common a have must and 2 by divisible both are and So 2 2 b a However, a and b have no common factors rational not is 2 so irrational is 2 Exercise 2B; 2a, 3, 4 (root 3), 8, 14*...
View Full Document
- Spring '11