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Find the constant term in the expansion of
\[\Big(2z - \frac{1}{\sqrt{z}}\Big)^9.\]

 

 

 

Find the constant term in the expansion of 

$\Big(x^2+\frac{1}{x}\Big)^4$

 Jan 24, 2022
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By the Binomial Theorem, the constant term in the expansion of $(2z - 1/\sqrt{z})^9$ is 1344.

 

Again by the Biniomal Theorem, the constant term in the expansion of $(x^2 + 1/x)^4$ is 6.

 Jan 24, 2022

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