Question

please solve it fast prove it....​

Answer 1

Step-by-step explanation:

take it helps you

Answer 2

Step-by-step explanation:

Let, us assume that 2+5√3 is a rational number. Therefore, a-2b/5b is in the form of a/b which is rational number. But,this is contradicts the fact is that √3 is irrational number. Therefore, our assumption is wrong and 2+5√3 is an irrational number.