Question

(a + b)3 + (a - b)3​

Answer 1

Answer:

(a+b)3−(a−b)3. =(a3+3a2b+3ab2+b3)−(a3−3a2b+3ab2−b3). =6a2b+2b3. =2 b(3a2+b2)

Step-by-step explanation:

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