题目 Problem Find the Maclaurin’s series for e1x+2e^{\frac{1}{x + 2}}ex+21 up to and including the term in x2x^2x2. [5] 题目中文翻译 求 e1x+2e^{\frac{1}{x + 2}}ex+21 的 Maclaurin 级数,展开到并包括 x2x^2x2 项。 解答