Question

prove that 3 + 2 root 5 is irrational​

Answer 1

Hello ❤️

Let 3+2✓5 is rational number

3+2✓5 =a/b

2✓5 =a/b-3

✓5= a-3b/2b

✓5 is irrational

This contradiction tha fact that ✓5 is irrational

So, Our assumption is incorrect

Hope it will help you ☺️