Question

verify:(x-y)^2=x^2-2xy+y^2 for x=4and y=1​

Answer 1

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Answer 2

Answer:

$(4-1)^{2} =4^{2} -2*4*1+1^{2} \\3^{2} =16-8+1\\9=8+1\\9=9$HENSE PROVED

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