Mathematics, 21.06.2021 23:30 natalie2sheffield

Which of the following are identities? 1.x^ 2 +2xy+y^ 2 =(x+y)^ 2 11. 2x + 2 = 2(x + 1); 1.0 + a = a

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Which of the following are identities? 1.x^ 2 +2xy+y^ 2 =(x+y)^ 2 11. 2x + 2 = 2(x + 1); 1.0 + a = a...