If x = 25 and y = 13 then find:
​$$\sqrt{(x²-2xy + y²)}$$​​

Correct option is A

Given:

x = 25 , y= 13 

Formula Used:

​$$x^2 + y^2 +2xy = (x-y)^2$$​​

Solution:

$$\sqrt{(x²-2xy + y²)}$$  

= $$\sqrt{(x- y)^2}$$   

= $$\sqrt{(25- 13)^2}$$  

= $$\sqrt{(12)^2}$$  

= 12