Question

let x and y be rational and irrational numbers respectively is x y necessarily an rational number give example in support of your answer??

Answer 1

Answer:

X+Y  is irratoinal

Step-by-step explanation:

let x =21,y=  2

​ $\sqrt\\ 2$ be a rational number

Now x+y=21+  2  = 21+1.4142... = 22.4142... , which is non-terminating and non-recurring. Hence x+y is irrational.