2010-2019真题汇总光速考研工作室整理-,�:ll�(*lm�10,J,i&#039;ffi,$1J,Jffi5�,�so�-tt:$1J,i&#039;ffi�l±ll¥-Jlm1&#039;-�IJJiq:i,.Rfi-lffif4]=.g-JmEl�*1tE!JiJr�IJJiwitt-J!¥!fij::fl:ffi&#039;ffi/§a{]ffi�p;j•)(1)*�x---+0at,a(x),/3(x):N::�Pfx�;Jvlt,JJ!U(:Xra&#039;-JfrrH,1Iq:t,Q)*a(x)~f3(x),JJ!Ua2(x)~f32(x);@*a2(x)~/32(x),JJ!Ua(x)~/3(x);@*a(x)~f3(x),JJ!Ua(x)-f3(x)=o(a(x));@*a(x)-f3(x)=o(a(x)),JJ!Ua(x)~f3(x),JtfirH,1Ia&#039;-]ff%7&#039;1()(A)Q)@.(B)Q)@.(C)Q)@@.(2)B�an=✓n-(-l)n(n=1,2,···),JJ!Ujanf(n)(D)@@@.(A)��j(ffi,��lj\ffi.(B)��j(ffi,fi!:��lj\ffi.(C)f)t��j(ffi,��;J\ffi.<o)r:it��*ffi,r:it��/J\ffi.(3)B�J(t)i!�,�F(x,y)=r-y(x-y-t)J(t)dt,JJ!U()(A)aF=aFa2F=a2F_axay&#039;ax2ay2(C)aF=_aFa2F=a2F_axay,ax2ay2(B)aF=aFa2F=_a2Faxay&#039;ax2ay2•(D)aF=_aF,a2F=_a2F_axayax2ay2()-+.>-_i&#039;xd_1,ln(1+x)_112x@I&#039;(4�I,-2(1)x,/2-1dx,/3-1.dx,!Jb0+COSXO+COSXO+SillX(A)I,<12</3.(B)/2</I</3.(C)/1</3<12.(D)/3<12<I,.(5)i&A7-J3ID&#039;)-9;1!�,A=[�_o1�1,J)!ljAEf&#039;-Jt#filffi1gl,-1,0Ef&#039;-JJt:Jt&,��{4:N::(000(A)#tEPf:i£9il!�P,Q,f1!1fA=PAQ.(B)#tEPf:i£9il!�P,f1!1fA=PAP-&#039;.(C)#tEiE5t9ie�Q,fl!{fA=QAQ-&#039;.(D)#tEPf:i£9il!�P,f1!1fA=PAPT.(6)i&Jie�A=[::�2),b=[�],JJ!U�&#039;i&#039;:E7Tl&#039;itllAx=ba&#039;-].a&#039;-J&#039;trfl£1&#039;1()1bb24(A):JG..(B)�--(C)�x��-�xM.(D)�Pl--�x•.-1-)(7)i&ta1=(A,l,l)T,a2=(1,A,l)T,a3=(1,1,A)T,a4=(1,A,A2)T,�a1,a2,a3l=:ia1,a2,a4�1ft,!JIUA�Jlitffi:ffi:fll�()(A)j0,ll.(B)j,\[AeR,A;;6-2l.(C)j,\[AeR,A;;6-1,A;;6-2l.(D)j,\[AeR,A;;6-ll.(8)i&tllltlL?:!t:11:X-N(0,4),llltlL?:!t:l:Y-B(3,!),HX,Y�;ffi*,!JIUD(X-3Y+1)=()(A)2.(B)4.(C)6.(D)lO.(9)i&tllltJL�:ll:!¥JUX1,X2,···,X,.,·..�1LfiiJ5t$,HX1�ffl:$Wll1-Jf(x)={1-IXI&#039;IXI<1,!JIU�n--00at,..!._Ix:#(ffl:$i&�r()0,Jtft!!.,lli=I111(A)g·(B)6"(C)3·(10)11t=!tllltlL?:!t:11:(X,Y)�ffl:$5t;(Jj1-J..,..-----,.--------�0I2-10.10.1b1a0.10.1�$f4lmaxjX,Yl=2ll=:ilH4JminlX,Yl=llffl::!i�.1L.,JJ!UCov(X,Y)=()(A)-0.6.(B)-0.36.(C)0.(D)0.48.=..ta�R(*R�61J,R,(ij1J\Rs�.�30�.��-tli£�1fitfUlJ::..)(11)�(1;exrtx=--(12)1222x-4dx=0X+2x+4--(13)B�Bi§f{J(x)=e•inx+e-•inx,JJ!tlf"&#039;(2,r)=--(14)B�Bi§f{J(x)={ex&#039;O::;;.x::;;.l,JJ!tlf+"&#039;dxf+"&#039;f(x)f(y-x)dy=0,JtfiB,-CII-CII--(15)i&tA1g3�m�.3&#039;.t�A��2:ff��3fi",w��2,u�-11ff1Ja�J�1,u,�t�Jm�[-/_\-01],JJ!UA-1��tr(A-1)=__-100(16)i&tA,B,C1gll.lfitJL$f4,HA£ffB]i�;ffi�,Al=:iC::!i�;ffi�,Bl=:,Cffl1i�.1L,P(A)=P(B)=P(C)=!,!JIUP(BUC[AUBUC)=__-2-=..•��p���6,j,�,�707t,m�Ell�H::lx!:¥!i�PJI,iiEPJB:1:f¥�nUJ�!fflt)(17)(2&#039;s:R1Hl?t10?t)�Risi�y(x):JBl?t:nl&#039;iy&#039;+-1-y=2+✓xa<Jnffi)E�{4y(1)=3a<JM,>ltllil�2✓x11��/&#039;°£a<J/&#039;°:I:QES�2&#039;s:13lA:I:x�JJiJJ13lA:I:ytlcJE,�/&#039;°Rf§�Q=12x2y6,�/&#039;°£a{]ffiffi:ip.{1J-P�t°:I:Qa<J:k*7&#039;1P=1160-1.5Q.�1ti{iIWf2&#039;s:13lA�1ti{iIJJiJJ13lAa<Jf1r�JtJJ1J7&#039;J6�8,>Jtffrn3]�:fcBta<J/&#039;°:Ii.(19)(2&#039;s:R!nffi?t12Jt)EJ;llfffifK�D=l(x,y)Iy-2�x�-/47,o�y�2f,it,i:/=ff(�-rfdxdy.DX+y-3-(20)Pl��r,»Ht12?t)*;fJgJf�I(-4)n+12nE({Jlj5(:Q!(:f;!l,R�pj§�S(x).n=O4n(2n+1)(21)(::zjs:�f,i,y?}12?})EJa1=rx�J(x1,Xz,X3)=3x�+4x�+3xi+2X1X3°<1)*iE3t9;e�Q,-fsl!iE3t��x=Qy�=rx�J<xl,x2,x3)tt�fljfi%;(II)ill:�minJ(x)=2.x..OXTX(22)(::zjs:�f,i,y?}12Jt)iiX1,X2&#039;...,Xn�*§M)ffi�0E({Jffi�Jt;fjj,ffi,�E({Jffil)ill.lflf}L;W::zjs:,YI&#039;Y2&#039;...&#039;ym�*§M]ffi�20E({Jffi�Jt;(Jj,ffi,�E({Jffiitill.lflm;W::zis:,HW;i;W::zis:ffl:!f.5!ilJt,Jt9"0<0>o)¾*���-ium;W::zjs:X1,X2&#039;...,Xn,Y1,Y2&#039;...,Ym·*0a{]Rl:k1�1&#iit:S:0,#*D(...