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Mathematics, 30.10.2020 08:50 raiderries

Which of the equations are true identities? A. (x-2y)^2=x^2-4xy+4y^2 B. (m+1)^2-m^2=1

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Which of the equations are true identities? A. (x-2y)^2=x^2-4xy+4y^2 B. (m+1)^2-m^2=1...
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