Prove that 2 root 3 root 7 is irrational number

- Prove that 2 root 3 minus 7 is irrational number
- Prove that 7 2 root 3 is an irrational number given that root 3 is irrational number
- Prove that 7 2 root 3 is an irrational number give that root 3 is an irrational number
- Prove that root 3 is an irrational number hence show that 7 2 root 3 is an irrational number