Question: The coefficient of $(1 + x)^{1/3}$ in the expansion of $(1 - x)^{1/3}$ is....

Question

The coefficient of $(1 + x)^{1/3}$ in the expansion of $(1 - x)^{1/3}$ is.

Answer 1

$(1 + x)^{2} + ..... + (1 + x)^{n}$

$x^{k}(0 \leq k \leq n)$ The coefficient is $n + 1C_{k + 1}$ .

Question: The coefficient of \((1 + x)^{1/3}\) in the expansion of \((1 - x)^{1/3}\) is....