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11 无穷级数(数一、数三)
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Published
10/05/2024
判敛法(收敛原则):正项级数收敛的充分必要条件是
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10/05/2024
判敛法(比较判别法):两个正项级数和,若从某一项起成立,则若收敛 若发散
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10/05/2024
判敛法(比较判别法的极限形式):两个正项级数和,,且,若,则收敛 若,则发散 若,则
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10/05/2024
判敛法(比值判敛法、达朗贝尔判别法):正项级数,且若 若 若
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10/05/2024
判敛法(根值判别法、柯西判别法):正项级数,且若 若 若
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10/05/2024
交错级数 的判敛方法
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10/05/2024
任意项级数,符号无限制绝对收敛是指条件收敛是指
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10/05/2024
收敛级数的线性性质给定两个收敛级数,,则任给常数,的收敛性为且
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10/05/2024
敛散性的稳定性:在级数中去掉前m项,得,这叫做
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10/05/2024
敛散性的稳定性:级数收敛 其m项后余项 即 …
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10/05/2024
收敛的必要条件
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10/05/2024
收敛级数的项任意加括号后所得的新级数 推论:若加括号后得到的新级数发散,则原级数必 &n…
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10/05/2024
常见级数的敛散性:等比级数
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10/05/2024
常见级数的敛散性:级数
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10/05/2024
常见级数的敛散性:广义级数
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10/05/2024
常见级数的敛散性:交错级数
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛 &nb…
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛
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10/05/2024
常用结论:收敛 发散
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10/05/2024
常用结论:
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常用结论:⑪设为非零常数,且,则
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10/05/2024
常用结论:收敛,收敛
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10/05/2024
常用结论:收敛,发散
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10/05/2024
常用结论:发散,发散
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10/05/2024
常用结论:收敛,收敛
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10/05/2024
幂级数:函数项级数的一般项是n次幂函数。一般形式:标准式:
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10/05/2024
幂级数:收敛域:收敛区间:
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10/05/2024
阿贝尔定理:
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10/05/2024
收敛域的求法:对于:①若,则收敛半径 ②开区间 是收敛区间③单独考察处的敛散性,求其敛散性,得收敛域。
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10/05/2024
收敛域的求法:对于缺项幂级数① ② …
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10/05/2024
幂级数运算法则:若幂级数和的收敛半径分别为和① 为常数②  …
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10/05/2024
幂级数的和函数性质:①函数在其收敛域上 ②在其收敛域上可积,且有逐项积分公式③在其收敛区间内可导,且有逐项求导公式
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10/05/2024
重要展开式:
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重要展开式:
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重要展开式:
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重要展开式:
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重要展开式:
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10/05/2024
重要展开式:
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10/05/2024
重要展开式:
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