Question

prove that 7√5 is a irrational​

Answer 1

Answer:

7√5 = p/q.

Explanation:

As, we can see that p/7q ia rational so √5 should also be rational. But this contradict the fact that √5 is irrational. So, by this we can say that 7√5 is irrational number.

Answer 2

Answer:

Please see the writings.