Question

if a and b are natural numbers then (a+b)(a-b) is rational numbet . is it true?

Please tell correct answer ​

Answer 1

Answer:

yes it is true

Step-by-step explanation:

let a=2 and b=4

so,a+b=2+4=6

and a-b=2-4=-2

(In every number denominator is hidden. 1 is hidden)