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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

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.