Sagot :
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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