Prove that root 5 minus root 2 is irrational

- Prove that root 5 minus root 2 is irrational number
- Prove that root 3 minus root 2 and root 3 + root 5 is irrational
- Prove that root 5 minus 3 root 2 is an irrational number
- Prove that under root 5 minus under root 2 is irrational
- Prove that 2 root 7 minus root 5 is irrational
- Prove that 4 minus 5 root 2 is an irrational number
- Prove that 2 root 7 minus root 5 is an irrational number
- √ 5
- Неравенства с нуля
- Неравенства с корнем