(4a+2b)^2=_______ answer
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16a² + 4b² + 16ab
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Step-by-step explanation:
As we know,
(a+b)²= a² + b² + 2ab
Therefore,
(4a+2b) = (4a)²+(2b)²+2×4a×2b
= 16a² + 4b² + 16ab
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