高等数学第十二章习题 一、解下列微分方程 1. 3e* tan ydx +(1-e* )sec2 ydy =0 4.(x dx)arctan dy =x. 5.(x+y)2dy-dx=0;

1-5CBCDA 6-10BDDCD 11-15 CBBCC 16-20 ABBCC 21-25 ACBCD 26-30 ACADD 多项1。be2.ce3.BC4E5E

一、分缀起动电阻的计算 设对应转速n1、n2、n3时电势分别为E1、E2、Ea,则有:

一、最佳选择题 1.b2.c3.a4.a5.e6.d7.c8.e9.b10.d

1数列极限概念 (1)对下列E分别求出极限定义中相应的N:e1=0.1,2=0.01,e3=0.001; (2)对E1,E2,E3可找到相应的N,这是否证明了an趋于0?

一、填空题(共17题45分) 1.5分(4258) 4258 某电池在p3时电动势与温度的关系为E/mV=-68.00-0.312(T/K-298) 298K时电池的电动势E=

In the special case when E's are conditionally independent(though they all depend on the alternative, Ak), P(, E2..)= P(A... -)P() ()P) This is easy to do and can be done recursively

21 Drop I from the title Review of Statistics I 28 Footnote #2: Degrees of belief 46 Question 2.4 (b) (ii) E3 + A3 instead of E2 + A3

Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Describe electronic retailing (e-tailing) and its characteristics. 2. Define and describe the primary e-tailing business models. 3. Describe how online travel and tourism services operate and their impact on the industry

An introduction to Western Social Theory e l.The significance of studying western social theory e1. 1 The developing tendency of social science =1. 2 The sociology's researching target 3.1.3 The independence of sociology