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Which of the following is the correct identity for (a - b)²?

Practice Questions

1 question
Q1
Which of the following is the correct identity for (a - b)²?
  1. a² - 2ab + b²
  2. a² + 2ab + b²
  3. a² - b²
  4. 2a² - 2b²

Questions & Step-by-step Solutions

1 item
Q
Q: Which of the following is the correct identity for (a - b)²?
Solution: (a - b)² = a² - 2ab + b² by the expansion of the square of a binomial.
Steps: 0

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