how to solve (2a+b)³
CHAPTER : EXPANSION
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Answer:
(a+b)3 = a3 + b3+3ab(a+b)
(2a+b)3
= (2a)3+b3+3(2a)(b)(2a+b)
8a3+b3+6ab(2a+b)
8a3+b3+12a2b+6ab2
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