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Mathematics, 26.05.2021 22:30 kkmwkk031

Which of the equations are true identities? A. (a + b)(2a + 1) = a(2a + 2b + 1)

B. (n + 2)2 – n2 = 4(n + 1)

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Which of the equations are true identities? A. (a + b)(2a + 1) = a(2a + 2b + 1)

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