Answer:

1. (a + b)2 = 2a+2b

2. (a - b)2 11 = 22a−22b

3. (a + b) (a - b) = a2−b2

4. (a + b)3 = 3a+3b

5. (a - b)3 = 3a−3b

Step-by-step explanation:

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LEARNING TASK 4: Find the product of the following expressions:

Answer:

1. (a + b)² → a²+2ab+b²

2. (a - b)² 11 → 11a²-22ab+11b²

3 (a + b) (a - b) → a²-b²

4. (a + b)³ → a³+3a²b+3ab²+b³

5. (a - b)³ → a³-3a²b+3ab²-b³

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