Question

if x and y are irrational numbers then x+y and x-y are always irrational true or false​

Answer 1

Answer:

False

Step-by-step explanation:

1st case  x-y

Its not specified in the question whether x=y

So if x and y both are same, lets say root 2

root 2 - root 2 = 0 which is rational

2nd case x+y

let x and y be root 5and -root 5 respectively

on adding, root 5 + (-root5)= 0 which is again rational

so, answer is false

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