Q 15 Write in expanded form (2x+1)3
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Step-by-step explanation:
The answer to this question is
==> (2x + 1) ^ 3 = 8x^3 + 1 + 12x^2 + 6
Formula to remember
( a + b )^3 = a^3 + b^3 + 3a^2b + 3ab^2
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