D. Learning Task 1: Find the product (Answer)
1. (a + b)²
= a² + 2ab + b²
2. (a - b)²
= a² - 2ab + b²
3. (a + b) (a - b)
= a² - b²
4. (a + b)³
= a³ + 3a²b + 3ab² + b³
5. (a - b)³
= a³ - 3a²b + 3ab² - b³
6. (a + b + c)²
= a² + 2ab + 2ac + b² + 2bc + c²
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D. Learning Task 1: Find the product (Answer)
1. (a + b)²
= a² + 2ab + b²
2. (a - b)²
= a² - 2ab + b²
3. (a + b) (a - b)
= a² - b²
4. (a + b)³
= a³ + 3a²b + 3ab² + b³
5. (a - b)³
= a³ - 3a²b + 3ab² - b³
6. (a + b + c)²
= a² + 2ab + 2ac + b² + 2bc + c²