Answered

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Which of the equations are true identities? A. n(n –2)(n + 2) = n³ – 4n B. (x + 1)² – 2x + y² = x² + y² + 1 Choose 1 answer: Only A Only B Both A and B Neither A nor B​

Sagot :

janellemcorreia

Answer:

a

Step-by-step explanation:

jinchengzhaoliii

Answer:

a+b

Step-by-step explanation:

both are true identities

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