Question

Can someone do this ques.
Using identity :
$(x - y) {}^{2} = x {}^{2} + 2xy - y {}^{2}$
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Answer 1

Answer:

$4 {x}^{2} + 1 \div {x}^{2} - 4$

hope it helps.........

Answer 2

Answer:

Here is your answer...

Hope it helps..

Please mark it as brainliest!!

The identity you have provided is wrong..Its basically

(x^2 -y^2) = x^2 - 2xy + y^2