\rAR¦ài}Ê%í|%+L=0,\rï\n+L+k,lmam=0,\riÊ\ðà(&/|ê/?)4+L+(DiDK/,”)=o!\r20%í04\r??\nàò\n-ó4=0(0=2,L,ô),\r,=)(i=2,L
)\nà0\rhI;\r27EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r4.pCa+/]Aa+L=0.áâN2ã,\rä¨A*Tå/-A+lAka+L+3"%=o\r]\rQAka=0,Cæ-%=o,~æ çw0.\rå4=0,4Aa+L+l^-'a=0\rèéä¨äT,AI,L,\rå4=L=/1=0,áäN2ã,\ra,Aa,L,A"iaPMnOo\rák=lã0ê¼AiawO,awO,ëÇaPMnO0\rìíålo\r313\r5.(1)+p+2)a3 PMnO0î=-2al+-a2--a3..\ra3=3a,+a2+0-a4\r(2)a]0a2,% PMnO0îï\ra5-2/++2+0-+4.\rxyyxyyx+2yyy\r6.A=yxy y-xx-y0->0x\ry0\ryyxy-x0x-y00x-y\ráxwy,îxw\r20ã0pA=3;\ráx=y=Oã0pA=0;\ráð=ñò0ã0pA=1;\ráx=-2y=0ã0pA=2o\r4+1\r7.A=ó,Le0,ôp4=,LZ=3o\r44\ra,ó,L,"]LG::\r¼æ=|õ,Ls,Ls\rMM\r28EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rqq\ra2a2\rö÷øù4L]ó,L,2]=/4ålo\rM*-iM\ran4\r29