ÉϺ£¸ß¿¼¶þÄ£Êýѧ±¦É½(¾²°²ÇàÆÖ)Çø(Àí)

?m2?1y2£¬?4½âµÃ?¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­7·Ö 221?n?x£®?4y2m2ÒòΪµãA(m£¬n)ÔÚÍÖÔ²CÉÏ£¬ËùÒÔ?n2?1£¬¼´¡­?x828?????1£¬

22x2y2x2y2Ò༴??1£®ËùÒÔµãMµÄ¹ì¼£·½³ÌΪ??1£®¡­¡­¡­¡­¡­¡­9·Ö

432432£¨3£©£¨ÎÄ£©ÒòΪABËùÔÚÖ±Ïß·½³ÌΪy?kx(k?0)£®

?x228k28??y?1£¬22½â·½³Ì×é?8 µÃxA?£¬yA?£¬ 221?8k1?8k?y?kx£¬?ËùÒÔOA?xA?yA22288k28(1?k2)32(1?k2)22£¬AB?4OA?. ???22221?8k1?8k1?8k1?8k?x2?y2?1£¬?8k28(1?k2)8?8222ÓÖ? ½âµÃxM?2£¬yM?2£¬ËùÒÔOM?2£®¡­¡­¡­ 11·Ö

k+8k+8k+81?y??x£¬?k?ÓÉÓÚS¡÷AMB2132(1?k2)8(1?k2)64(1?k2)232122¡­¡­¡­¡­14·Ö ????AB?OM??22(1?8k)(k+8)741?8k2k2+84½âµÃ(6k2?1)(k2?6)?0?k2?1»òk2?6¼´k??6»òk??6 66ÓÖk?0£¬ËùÒÔÖ±ÏßAB·½³ÌΪy?6y?6x¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 16·Ö x»ò

6£¨3£©£¨Àí£©£¨·½·¨1£©ÒòΪABËùÔÚÖ±Ïß·½³ÌΪy?kx(k?0)£®

?x228k28??y?1£¬22½â·½³Ì×é?8µÃxA?£¬yA?£¬ 221?8k1?8k?y?kx£¬?ËùÒÔOA?xA?yA22288k28(1?k2)32(1?k2)22£¬AB?4OA?. ???1?8k21?8k21?8k21?8k2?x2?y2?1£¬?8k28(1?k2)8?8222ÓÖ?½âµÃxM?2£¬yM?2£¬ËùÒÔOM?2£®¡­¡­¡­ 11·Ö

k+8k+8k+81?y??x£¬?k?ÓÉÓÚS¡÷AMB2132(1?k2)8(1?k2)122?2?AB?OM??41?8k2k+8 464(1?k2)2392256??8??¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­14·Ö 228(1?8k)(k+8)8128k?2?658k»ò?64(1?k2)21?8k2?k2+82µ±ÇÒ½öµ±1?8k2?k2?8ʱµÈºÅ³ÉÁ¢£¬¼´k£½1ʱµÈºÅ³ÉÁ¢£¬

??264(1?k2)2256??£¬ 81(1?k2)2814´Ëʱ¡÷AMBÃæ»ýµÄ×îСֵÊÇS¡÷AMB£½16£®¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 15·Ö

9ABËùÔÚÖ±Ïß·½³ÌΪy?x£® ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 16·Ö £¨·½·¨2£©ÉèM(x£¬y)£¬ÔòA(?y£¬??x)(??R£¬??0)£¬ ÒòΪµãAÔÚÍÖÔ²CÉÏ£¬ËùÒÔ?2(y2?8x2)?8£¬¼´y2?8x2?ÓÖx2?8y2?8£¨ii£©

£¨i£©+£¨ii£©µÃx2?y2?81?12£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­11·Ö

9?ËùÒÔS?AMB?OM?OA?|?|(x2?y2)?8|?|?1¡Ý16.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­14·Ö

99?8?2£¨i£©

????µ±ÇÒ½öµ±???1£¨¼´kAB??1£©Ê±£¬?S?AMB?min?16. ÓÖk?0 9ABËùÔÚÖ±Ïß·½³ÌΪy?x£®¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 16·Ö

23.(±¾ÌâÂú·Ö18·Ö£©±¾Ìâ¹²3СÌ⣬µÚ£¨1£©Ð¡Ìâ4·Ö£¬µÚ£¨2£©Ð¡Ìâ6·Ö£¬µÚ£¨3£©Ð¡Ìâ8·Ö. 23.½â£º£¨1£©?an?²»ÊÇ·â±ÕÊýÁУ¬ÒòΪan?2?3n?1£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 1·Ö ¶ÔÈÎÒâµÄm,n?N£¬ÓÐan?am?4?3m?n?2£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 2·Ö Èô´æÔÚ

?p£¬Ê¹µÃan?am?ap£¬¼´3p?m?n?1?2£¬p?m?n?1?log32£¬¸Ãʽ×ó±ßΪÕûÊý£¬ÓÒ±ßÊÇ

ÎÞÀíÊý£¬Ã¬¶Ü£®ËùÒÔ¸ÃÊýÁв»ÊÇ·â±ÕÊýÁС­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 4·Ö

£¨2£©Ö¤Ã÷£º£¨±ØÒªÐÔ£©ÈÎÈ¡µÈ±ÈÊýÁеÄÁ½Ïîas,at?s?t?£¬Èô´æÔÚakʹasat?ak£¬Ôòa1?qs?t?2?qk?1£¬½âµÃa1?qk?s?t?1.¹Ê´æÔÚm?k?s?t?1?Z£¬Ê¹a1?qm£¬¡­¡­ 6·Ö ÏÂÃæÖ¤Ã÷ÕûÊým??1£®

¶Ôq?1£¬Èôm??1£¬ÔòÈ¡p??m?2£¬¶Ôa1,ap£¬´æÔÚauʹa1ap?au£¬ ¼´qm?qp?1?qu?1£¬q?1?qu?1£¬ËùÒÔu?0£¬Ã¬¶Ü£¬

¹Ê´æÔÚÕûÊým??1£¬Ê¹a1?qm£®¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 8·Ö

£¨³ä·ÖÐÔ£©Èô´æÔÚÕûÊým??1£¬Ê¹a1?qm£¬Ôòan?qn?m?1£¬ ¶ÔÈÎÒâs,t?N*£¬ÒòΪasat?q(s?t?m?1)?m?1?as?t?m?1£¬ ËùÒÔ?an?ÊÇ·â±ÕÊýÁÐ. ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 10·Ö £¨3£©ÓÉÓÚ?n?a1?a2???an?a1?2nn(n?1)2£¬ËùÒÔbn?nlog2a1?n(n?1)£¬¡­¡­¡­¡­¡­11·Ö 2mÒòΪ?an?ÊÇ·â±ÕÊýÁÐÇÒa1ΪÕýÕûÊý,ËùÒÔ£¬´æÔÚÕûÊým?0£¬Ê¹a1?2£¬

1111n(n?1)lim(??L?)b?n??na?1Èô1£¬Ôòb1b2bnûÓÐÒâÒå¡­12·Ö 2£¬´Ëʱb1²»´æÔÚ£®ËùÒÔ

11111n(n?1)lim(??L?)?2?n??bÈôa1?2£¬Ôòbn?b2bn9£¬¡­¡­¡­¡­¡­¡­¡­ 13·Ö 12£¬ËùÒÔ12n(n?3)?Èôa1?4£¬Ôòbn?2£¬ÓÚÊÇbnn(n?3)£¬

lim(11111??L?)?b1b2bn9£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 16·Ö

ËùÒÔn??12n(n?3)?Èôa1?4£¬Ôòbn?2£¬ÓÚÊÇbnn(n?3)£¬

lim(11111??L?)?b1b2bn9£¬¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 17·Ö

ËùÒÔn??n?1*×ÛÉÏÌÖÂÛ¿ÉÖª£ºa1?4£¬an?4?2,(n?N)£¬¸ÃÊýÁÐÊÇ·â±ÕÊýÁУ®¡­¡­¡­ 18·Ö