第一章自测题一、填空题(每小题3分,共18分)1.limsinxtanx.x0ln12x32.lim3x1x.x1x2x23.已知lim2x2axb3,其中为a,b常数,则a,b.x1x1sin2xe2ax1,x0在,...
时间:2023-11-03 17:16栏目:
一、选择题1.5566:在磁感强度为B的均匀磁场中作一半径为r的半球面S,S边线所在平面的法线方向单位矢量n与B的夹角为,则通过半球面S的磁通量(取弯面向外为正)为S(A)r2B.(B)2r2B(C)-r2Bsin(D...
时间:2023-11-03 17:12栏目:
高数公式大全byrufen高等数学公式汇总第一章一元函数的极限与连续1、常用初等函数公式:和差角公式:和差化积公式:sin()=sincoscossincos()=coscosmsinsinsin+sin=2sin+c...
时间:2023-11-03 17:10栏目:
导数公式:高等数学知识点总结(tgx)sec2x(arcsinx)11x2(ctgx)csc2x(arccosx)1(secx)secxtgx1x2(cscx)cscxctgx(arctgx)11x2(ax)axlna(arcctgx)1(logx)...
时间:2023-11-03 17:08栏目:
一、搭配题:Personnel1.Thedepartmentinanorganizationthatrecruitsandtrainsemployeesanddealswiththeirproblem.Reference2.Statementaboutaperson’scharacterorabilities.Subsidiary3.Acompanywhichisowne...
时间:2023-11-03 17:07栏目:
1MatchawordfromAandBandcompletesentences1─10.UseeachwordfromAtwice。ABadvertising/consumer/market/product/Behavior/budget/campaign/forecast/saleslaunch/lifecycle/profile/research/segment/targets1T...
时间:2023-11-03 17:06栏目:
精品文档《1609》在线作业1.TPNrefersto()A.TradingProcessNetworkPostB.TradingPriceNetworkPostC.TradingPriceNetPositionD.TradingProcessNigationPost满分:2分得分:2A2.Transactionbrokerprovidesa()paymen...
时间:2023-11-03 17:05栏目:
期末商务英语试题库I判断题1.Firstimpressionisveryimportantsinceyounevergetasecondchancetomakeafirstimpression.Hairshouldbewellmaintained.Unshavedlookdoesnotworkforothers.Tiesshouldbecorrectlytied.Pa...
时间:2023-11-03 17:05栏目:
Unit1Partonepreparation1.1)Gentle2)Dedicated3)Considerate4)Adventurous5)Calm6)Aggressive7)Critical8)Energetic9)Selfish10)Ambition11)Self-confident12)Easygoing13)Truthful14)Outgoing15...
时间:2023-11-03 17:05栏目:
高数重点知识总结1、基本初等函数:反函数(y=arctanx),对数函数(y=lnx),幂函数(y=x),指数函数(yax),三角函数(y=sinx),常数函数(y=c)2、分段函数不是初等函数。3、无穷小:高阶+低阶=低阶例如:limx2xl...
时间:2023-11-03 17:05栏目: