Question

(i) Give an example of two irrationals whose sum is rational.
(ii) Give an examples of two irrationals whose product is rational​

Answer 1

Their sum will be, x+y=10+2√5+10-2√5=20, which is rational.

A number is said to be rational number if that number is written as fraction and an irrational number cannot be written as the ratio of any two integers. For example, square roots. as irrational number.