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《经济数学基础》形成性考核作业册答案.pdf

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1、1/15 经济数学基础形成性考核册及参考答案经济数学基础作业 1（一）填空题1.答案：0 2.答案：1 3.答案：2121xy4.答案：x25.设xxxfsin)(，则_)2(f.答案：2（二）单项选择题1.函数212xxxy的连续区间是（）答案：D A),1()1,(B),2()2,(C),1()1,2()2,(D),2()2,(或),1()1,(2.下列极限计算正确的是（）答案：B A.1lim0 xxx B.1lim0 xxxC.11sinlim0 xxx D.1sinlimxxx3.设yxlg2，则dy（）答案：B A12dxxB1dxxln10Cln10 xxdD1dxx4.若函数

2、 f(x)在点 x0处可导，则()是错误的答案：B A函数 f(x)在点 x0处有定义 BAxfxx)(lim0，但)(0 xfA C函数 f(x)在点 x0处连续 D函数 f(x)在点 x0处可微5.当0 x时，下列变量是无穷小量的是（）.答案：C Ax2 Bxxsin C)1ln(x Dxcos(三)解答题1计算极限（1）123lim221xxxx)1)(1()1)(2(lim1xxxxx=)1(2lim1xxx=21（2）8665lim222xxxxx=)4)(2()3)(2(lim2xxxxx=)4(3lim2xxx=212/15（3）xxx11lim0=)11()11)(11(lim

3、0 xxxxx=)11(lim0 xxxx=21)11(1lim0 xx（4）42353lim22xxxxx31423531lim22xxxxx（5）xxx5sin3sinlim0535sin33sin5lim0 xxxxx=53（6）)2sin(4lim22xxx4)2sin()2)(2(lim2xxxx2设函数0sin0,0,1sin)(xxxxaxbxxxf，问：（1）当ba,为何值时，)(xf在0 x处有极限存在？（2）当ba,为何值时，)(xf在0 x处连续.答案：（1）当1b，a任意时，)(xf在0 x处有极限存在；（2）当1ba时，)(xf在0 x处连续。3计算下列函数的导数或微

4、分：（1）2222log2xxyx，求y答案：2ln12ln22xxyx（2）dcxbaxy，求y答案：y=2)()()(dcxbaxcdcxa2)(dcxcbad（3）531xy，求y答案：531xy=21)53(x3)53(23xy（4）xxxye，求y答案：xxxye)1(21（5）bxyaxsine，求yd答案：)(sinesin)e(bxbxyaxaxbbxbxaaxaxcosesine文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5

5、E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5

6、文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5

7、E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5

8、文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5

9、E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5

10、文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5

11、E8I1Q4I4 ZI5X4M2G6T53/15)cossin(ebxbbxaaxdxbxbbxadyax)cossin(e（6）xxyx1e，求yd答案：ydxxxxde)123(12（7）2ecosxxy，求yd答案：ydxxxxxd)2sine2(2（8）nxxynsinsin，求y答案：y=xxnncossin1+nxncos=)coscos(sin1nxxxnn9y)1(1122xxxx)2)1(211(112122xxxx)11(1122xxxx211x（10）xxxyx212321cot，求y答案：652321cot61211sin2ln2xxxxyx4.下列各方程中y是x的隐函

12、数，试求y或yd（1）1322xxyyx，求yd答案：解：方程两边关于X 求导：0322yxyyyx32)2(xyyxy，xxyxyyd223d（2）xeyxxy4)sin(，求y答案：解：方程两边关于X 求导4)()1)(cos(yxyeyyxxy)cos(4)(cos(yxyeyxeyxxyxy)cos(e)cos(e4yxxyxyyxyxy5求下列函数的二阶导数：（1）)1ln(2xy，求y答案：222)1(22xxy（2）xxy1，求y及)1(y答案：23254143xxy，1)1(y文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

13、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

14、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

15、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

16、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

17、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

18、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

19、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T54/15 经济数学基础作业 2（一）填空题1.若cxxxfx22d)(，则_)(xf.答案：22ln2x2.xx d)sin(_.答案：cxsin3.若cxFxxf)(d)(，则xxxfd)1(2.答案：cxF)1(2124.设函数_d)1ln(dde12xxx.答案：0 5.若ttxPxd11)(02，则_)(xP.答案：211x（二）单项选择题1.下列函数中，（）是xsinx2的原函数A21cosx2B2cosx2C-2cosx2D-21cosx2答案

20、：D 2.下列等式成立的是（）A)d(cosdsinxxxB)1d(dlnxxxC)d(22ln1d2xxx Dxxxdd1答案：C 3.下列不定积分中，常用分部积分法计算的是（）Axxc1)dos(2，Bxxxd12Cxxxd2sinDxxxd12答案：C 4.下列定积分计算正确的是（）A2d211xxB15d161xC0)d(32xxxD0dsinxx答案：D 5.下列无穷积分中收敛的是（）A1d1xx B12d1xx C0dexx D1dsinxx答案：B(三)解答题1.计算下列不定积分文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

21、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

22、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

23、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

24、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

25、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI

26、5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I

27、9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T55/15（1）xxxde3答案：xxxde3=xd)e3x(=cxxe3lne3（2）xxxd)1(2答案：xxxd2)1(=xxxxd)21(2=x)dx2x(x232121=cxxx252352342（3）xxxd242答案：xxxd242=x2)d-(x=cxx2212（4）xxd211答案：xxd211=)21121xx2-d(1=cx21ln21（5）xxxd22答案：xxxd22=)212xx d(222=cx232)2(31（6）xxxdsin

28、答案：xxxdsin=xdxsin2=cxcos2（7）xxxd2sin答案：xxxd2sin=xxxdcod2s2=2cos2xxxxcod2s2=cxxx2sin42cos2（8）xx1)dln(答案：xx1)dln(=)1xx1)d(ln(=)1ln()1(xx1)1)dln(xx=cxxx)1ln()1(2.计算下列定积分（1）xxd121答案：xxd121=xx d11)1(+xxd21)1(=212112)21()21(xxxx=25（2）xxxde2121答案：xxxde2121=xex1211d=211xe=ee（3）xxxdln113e1答案：xxxdln113e1=)ln1

29、131xxlnd(1e=2（3121)ln1ex=2 文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X

30、4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P

31、2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X

32、4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P

33、2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X

34、4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P

35、2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T56/15（4）xxxd2cos20答案：xxxd2cos20=202sin21xxd=20202sin212sin21xdxxx=21（5）xxxdlne1答案：xxxdlne1=21ln21xxde=e1212lnln21xdxxxe=)1e(412（6）xxxd)e1(40答案：xxxd)e1(40=

36、4e041xxdx=3xxexxde4040=4e55经济数学基础作业 3（一）填空题1.设矩阵161223235401A，则A的元素_23a.答案：3 2.设BA,均为 3 阶矩阵，且3BA，则TAB2=_.答案：723.设BA,均为n阶矩阵，则等式2222)(BABABA成立的充分必要条件是.答案：BAAB4.设BA,均为n阶矩阵，)(BI可逆，则矩阵XBXA的解_X.答案：ABI1)(5.设矩阵300020001A，则_1A.答案：31000210001A（二）单项选择题1.以下结论或等式正确的是（）A若BA,均为零矩阵，则有BAB若ACAB，且OA，则CBC对角矩阵是对称矩阵 D 若

37、OBOA,，则OAB答案 C2.设A为43矩阵，B为25矩阵，且乘积矩阵TACB有意义，则TC为（）矩阵 A42B24C53 D35答案 A3.设BA,均为n阶可逆矩阵，则下列等式成立的是（）文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码

38、:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1

39、Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码

40、:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1

41、Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码

42、:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1

43、Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T57/15 A111)(BABA，B111)(BABACBAABDBAAB答案 C4.下列矩阵可逆的是（）A300320321B321101101C0011D2211答案

44、 A5.矩阵444333222A的秩是（）A0 B1 C2 D3 答案 B三、解答题1计算（1）01103512=5321（2）001130200000（3）21034521=02计算723016542132341421231221321解72301654274001277197723016542132341421231221321=1423011121553设矩阵110211321B110111132，A，求AB。解因为BAAB22122)1()1(01021123211011113232A文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1

45、I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 Z

46、I5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1

47、I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 Z

48、I5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1

49、I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 Z

50、I5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1I9P2O4 HM5E8I1Q4I4 ZI5X4M2G6T5文档编码:CP3I1

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本文标题：《经济数学基础》形成性考核作业册答案.pdf
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