Question

Prove that under root 6+under root 5 are irrational no.

Answer 1

multiply by the conjugate means root 6 - root 5 then apply (a+b)(a-b)= a square - b square you will get 6 -5 = 1 it is not an irrational no.

Answer 2

Yes it is proved through the long division method.if you get terminating non repeating number then it is irrational number