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Find the constant term in the expansion of (2z - 1/sqrt(z) + z^2)^9

 

\(\phantom{(2z - 1/sqrt(z))^9}\)

 Jul 6, 2022
 #1
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-5376 z^(9/2) - 1/z^(9/2) - 2016 z^(3/2) - 144/z^(3/2) - 2304 z^(15/2) + 512 z^9 + 4608 z^6 + 4032 z^3 + 18/z^3 + 672
The constant term is 672

 Jul 6, 2022

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