Question

prove that 3root7 is irrational number​

Answer 1

Answer:

let assume that 3√7 is an irrational number

3√7=p/q

√7=p/3q

We know that p/3q is a rational number

so √7 is also a rational number

But an irrational number never equals to rational

so our assumption is wrong 3√7 is an irrational number

Step-by-step explanation: