Find the Taylor series about 0 for each of the functions below. Give the first three non-zero terms for each.

A. $(1 + 2 x)^{3} =$ $+$ $+$ $+\cdots$

B. ${1\over\sqrt{1+x^{3}}} =$ $+$ $+$ $+\cdots$

For each of these series, also be sure that you can find the general term in the series!