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Plz help with find coefficient

 

Find the coefficient of u^2 v^9 in the expansion of (2u - 3v + u^2 - v^2)^9.

 Jan 31, 2023
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  114th term  (2u - 3v + u^2 - v^2)^9 == -577368 u^2 v^9

 Jan 31, 2023

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