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Find the coefficient of $u^2 v^9$ in the expansion of $(2u - 3v^3 + v^2 - 5u^2 + 1)^5.$

 Jun 26, 2023
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We can apply the binomial formula here; it would be row 5 of the pascal's triangle. 

I would write the expansion, and I did, but I deleted it accidently. :(

You would get 1920 as your answer.

 Jun 26, 2023

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