Question

prove that 3 under root 7 +under root 5 is an irrational no.​

Answer 1

Step-by-step explanation:

let the3✓7+✓5 is rational

so

3✓7+✓5=p/q

3✓7=p/q-✓5

✓7=p/q-✓5/3

so ✓7 is rational number but it contradict the universal fact that underoot 7is irrational no

so our assumption is wrong

so 3✓7+✓5 is irrational no