Question

solve: (a+b)cube-(a-b)cube​

Answer 1

Answer:

hope this helpss

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(a + b)³ - (a - b)³

(a+b - a+b) { (a+b)² + (a+b)(a-b) + (a-b)² }

2b { (a+b)² + (a-b)² + (a²-b²) }

2b { 2(a²+b²) + a² - b² }

2b { 2a² + 2b² + a² - b² }

2b { 3a² + b² }

= 6a²b + 2b³