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What is the coefficient of x^6 in the expansion of (2x^2 - 1/x)^6?

 May 5, 2020
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Expanding we get \(64 x^{12} - 192 x^9 + 240 x^6 + 1/{x^6} - 160 x^3 - 12/x^3 + 60 \), so the answer is \(\boxed{240}\).

 May 5, 2020

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