Question

answer the question?
I will mark it as brainlist​

Answer 1

Answer:

x-y

Step-by-step explanation:

(√x+√y)(√x-✓y).....

x-y

Answer 2

Based on the identity (a + b)(a - b) = a² - b²

($(\sqrt{x} + \sqrt{y} )(\sqrt{x} -\sqrt{y} )\\\\\sqrt{x} ^{2} - \sqrt{y} ^{2}$

that identity √a² = a

So,

use the identity

$x -y$

may be it is helpful for you