Question

If x = 2 and y=1 then prove that

$({x - y})^{2} = { {x}^{2} } - 2xy + {y}^{2}$
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Answer 1

Step-by-step explanation:

assume x=y=1, then x+y=2 and x^2+y^2=2. And now, xy=1. Therefore x=y=1. Let me know, if anyone come with other answers too.

Answer 2

Answer:Hi ☺️

Given

x= 2

y = 1

answer is in attachment

hope it helps you