Question

show that:








Plzz answer this question that is in the image... . ☜☆☞

Only answer question no. (¡¡)
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Answer 1

Step-by-step explanation:

it's a very simple question. Just use the below identity and in few simple steps you will get the answer

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