题目 Problem Find the Maclaurin’s series for e1+x2+e1−x2e^{1+x^2}+e^{1-x^2}e1+x2+e1−x2 up to and including the term in x2x^2x2. [4] 题目中文翻译 求 e1+x2+e1−x2e^{1+x^2}+e^{1-x^2}e1+x2+e1−x2 的 Maclaurin 级数，展开至并包括 x2x^2x2 项。 解答
