simplify (a+b)3-a3-b3
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Answer:
a(3-a3-b3 )b(3-a3-b3)
Answered by
1
Answer:
By using the formula,
[a³ + b³ = a3 + b3 + 3a2b + 3ab2]
By substituting in the above equation, we get
(a + b)3 – a3 – b3 = a³ + 3a²b + 3ab² + b³ – a³ – b³
= 3a²b + 3ab²
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