Factorise each of the following: 8a³ + b³ +12a²b + 6ab²
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Answer:
Here is your answer buddy.
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Step-by-step explanation:
8a³ + b³ + 12a²b + 6ab²
= (2a)³ + (b)³ + 3×(2a)²×b + 3×2a×b²
We know, (a+b)³ = a³+b³+3a²b+3ab²
Therefore,
(2a)³ + (b)³ + 3×(2a)²×b + 3×2a×b²
= (2a+b)³
Answer: (2a+b)³
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