Èçͼ£¬¾ØÐÎABCDÖУ¬|AB|£½2£¬|BC|£½2£®E£¬F£¬G£¬H·Ö±ðÊǾØÐÎËÄÌõ±ßµÄÖе㣬·Ö±ðÒÔHF£¬EGËùÔÚµÄÖ±ÏßΪxÖᣬyÖὨÁ¢Æ½ÃæÖ±½Ç×ø±êϵ£¬ÒÑÖª
£½¦Ë
£¬
£½¦Ë
£¬ÆäÖÐ0£¼¦Ë£¼1£®
£¨1£©ÇóÖ¤£ºÖ±ÏßERÓëGR¡äµÄ½»µãMÔÚÍÖÔ²¦££º£«y2£½1ÉÏ£»
£¨2£©ÈôµãNÊÇÖ±Ïßl£ºy£½x£«2ÉÏÇÒ²»ÔÚ×ø±êÖáÉϵÄÈÎÒâÒ»µã£¬F1¡¢F2·Ö±ðΪÍÖÔ²¦£µÄ×ó¡¢ÓÒ½¹µã£¬Ö±ÏßNF1ºÍNF2ÓëÍÖÔ²¦£µÄ½»µã·Ö±ðΪP¡¢QºÍS¡¢T£®ÊÇ·ñ´æÔÚµãN£¬Ê¹µÃÖ±ÏßOP¡¢OQ¡¢OS¡¢OTµÄбÂÊkOP¡¢kOQ¡¢kOS¡¢kOTÂú×ãkOP£«kOQ£«kOS£«kOT£½0£¿Èô´æÔÚ£¬Çó³öµãNµÄ×ø±ê£»Èô²»´æÔÚ£¬Çë˵Ã÷ÀíÓÉ£®
£¨1£©¼û½âÎö£¨2£©Âú×ãÌõ¼þµÄµãN´æÔÚ£¬Æä×ø±êΪ
½âÎöÊÔÌâ·ÖÎö£º¸ù¾ÝÌõ¼þ£¬¿ÉÓòÎÊý±íʾµã
µÄ×ø±ê£¬Á½µãʽд³öÖ±Ïß
µÄ·½³Ì£¬²¢Çó³öËüÃǵĽ»µã
µÄ×ø±ê£¬ÏûÈ¥²ÎÊý¼´¿ÉµÃÖ¤.£¨2£©¼ÙÉè´æÔÚµã
ÔÚÖ±Ïß
ÉÏ£¬Ê¹
,
É裬
£¬
,
£¬
Ö±Ïß
µÄбÂÊΪ
£¬Ö±Ïß
µÄбÂÊΪ
£¬¿Éд³öÁ½Ö±Ïߵķ½³Ì£¬²¢·Ö±ðÓëÍÖÔ²·½³ÌÁªÁ¢×é³É·½³Ì¼¶£¬ÀûÓÃÒ»Ôª¶þ´Î·½³Ì¸ùÓëϵÊýµÄ¹Øϵ£¬½áºÏÌõ¼þ
̽¾¿
Óë
µÄ¹Øϵ£¬´Ó¶øÈ·¶¨¹ØÓÚ
µÄ·½³ÌµÄ¸ùµÄ´æÔÚÐÔ£¬Ò²¾ÍÊǵã
µÄ´æÔÚÐÔ.
ÊÔÌâ½âÎö£º£¨1£©ÓÉÒÑÖª£¬µÃF(£¬0)£¬C(
£¬1)£®
ÓÉ£½¦Ë
£¬
£½¦Ë
£¬µÃR(
¦Ë£¬0)£¬R¡ä(
£¬1£¦Ë)£®
ÓÖE(0£¬£1)£¬G(0£¬1)£¬Ôò
Ö±ÏßERµÄ·½³ÌΪy£½x£1£¬ ¢Ù
Ö±ÏßGR¡äµÄ·½³ÌΪy£½£x£«1£® ¢Ú
ÓÉ¢Ù¢Ú£¬µÃM(£¬
)£®
¡ß£«(
)2£½
£½
£½1£¬
¡àÖ±ÏßERÓëGR¡äµÄ½»µãMÔÚÍÖÔ²¦££º£«y2£½1ÉÏ£® 5·Ö
£¨2£©¼ÙÉèÂú×ãÌõ¼þµÄµãN(x0£¬y0)´æÔÚ£¬Ôò
Ö±ÏßNF1µÄ·½³ÌΪy£½k1(x£«1)£¬ÆäÖÐk1£½£¬
Ö±ÏßNF2µÄ·½³ÌΪy£½k2(x£1)£¬ÆäÖÐk2£½£®
ÓÉÏûÈ¥y²¢»¯¼ò£¬µÃ(2k12£«1)x2£«4k12x£«2k12£2£½0£®
ÉèP(x1£¬y1)£¬Q(x2£¬y2)£¬Ôòx1£«x2£½££¬x1x2£½
£®
¡ßOP£¬OQµÄбÂÊ´æÔÚ£¬¡àx1¡Ù0£¬x2¡Ù0£¬¡àk12¡Ù1£®
¡àkOP£«kOQ£½£«
£½
£«
£½2k1£«k1¡¤
£½k1(2£
)£½£
£®
ͬÀí¿ÉµÃkOS£«kOT£½££®
¡àkOP£«kOQ£«kOS£«kOT£½£2(£«
)£½£2¡¤
£½£
£®
¡ßkOP£«kOQ£«kOS£«kOT£½0£¬¡à££½0£¬¼´(k1£«k2)(k1k2£1)£½0£®
ÓɵãN²»ÔÚ×ø±êÖáÉÏ£¬Öªk1£«k2¡Ù0£¬
¡àk1k2£½1£¬¼´¡¤
£½1£® ¢Û
ÓÖy0£½x0£«2£¬
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑÖªÍÖÔ²µÄÖÐÐÄÔÚ×ø±êÔµãO£¬×󶥵ã
£¬ÀëÐÄÂÊ
£¬
ΪÓÒ½¹µã£¬¹ý½¹µã
µÄÖ±Ïß½»ÍÖÔ²
ÓÚ
¡¢
Á½µã£¨²»Í¬ÓÚµã
£©£®
(1)ÇóÍÖÔ²µÄ·½³Ì£»
(2)µ±µÄÃæ»ý
ʱ£¬ÇóÖ±ÏßPQµÄ·½³Ì£»
(3)ÇóµÄ·¶Î§£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑ֪˫ÇúÏߣ¨ÆäÖÐ
£©.
£¨1£©Èô¶¨µãµ½Ë«ÇúÏßÉϵĵãµÄ×î½ü¾àÀëΪ
£¬Çó
掙术
£¨2£©Èô¹ýË«ÇúÏßµÄ×󽹵㣬×÷Çãб½ÇΪ
µÄÖ±Ïß
½»Ë«ÇúÏßÓÚ
¡¢
Á½µã£¬ÆäÖÐ
£¬
ÊÇË«ÇúÏßµÄÓÒ½¹µã.Çó¡÷
µÄÃæ»ý
.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑÖªÍÖÔ²µÄÓÒ½¹µãΪF2£¨1£¬0£©£¬µã
ÔÚÍÖÔ²ÉÏ.
£¨1£©ÇóÍÖÔ²·½³Ì£»
£¨2£©µãÔÚÔ²
ÉÏ£¬MÔÚµÚÒ»ÏóÏÞ£¬¹ýM×÷Ô²
µÄÇÐÏß½»ÍÖÔ²ÓÚP¡¢QÁ½µã£¬ÎÊ|F2P|+|F2Q|+|PQ|ÊÇ·ñΪ¶¨Öµ£¿Èç¹ûÊÇ£¬Çó³ö¶¨Öµ£¬Èç²»ÊÇ£¬ËµÃ÷ÀíÓÉ.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑÖªµã¡¢
£¬¶¯µã
Âú×㣺
£¬ÇÒ
£¨1£©Ç󶯵ãµÄ¹ì¼£
µÄ·½³Ì£»
£¨2£©ÒÑÖªÔ²W£º µÄÇÐÏß
Óë¹ì¼£
ÏཻÓÚP£¬QÁ½µã£¬ÇóÖ¤£ºÒÔPQΪֱ¾¶µÄÔ²¾¹ý×ø±êÔµã
.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÉèÍÖÔ²¹ýµã
£¬ÀëÐÄÂÊΪ
.
£¨1£©ÇóÍÖÔ²µÄ·½³Ì£»
£¨2£©Çó¹ýµãÇÒбÂÊΪ
µÄÖ±Ïß±»ÍÖÔ²Ëù½ØµÃÏ߶εÄÖеã×ø±ê.
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑÖªÖÐÐÄÔÚÔµãµÄÍÖÔ²C£º
µÄÒ»¸ö½¹µãΪF1(0,3)£¬M(x,4)(x£¾0)ΪÍÖÔ²CÉÏÒ»µã£¬¡÷MOF1µÄÃæ»ýΪ
.
£¨1£© ÇóÍÖÔ²CµÄ·½³Ì£»
£¨2£© ÊÇ·ñ´æÔÚƽÐÐÓÚOMµÄÖ±Ïßl£¬Ê¹µÃÖ±ÏßlÓëÍÖÔ²CÏཻÓÚA£¬BÁ½µã£¬ÇÒÒÔÏ߶ÎABΪֱ¾¶µÄԲǡºÃ¾¹ýԵ㣿Èô´æÔÚ£¬Çó³öÖ±ÏßlµÄ·½³Ì£»Èô²»´æÔÚ£¬ËµÃ÷ÀíÓÉ£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÒÑÖªÍÖÔ²Éϵĵ㵽ÆäÁ½½¹µã¾àÀëÖ®ºÍΪ
£¬ÇÒ¹ýµã
£®
£¨¢ñ£©ÇóÍÖÔ²·½³Ì£»
£¨¢ò£©Îª×ø±êԵ㣬бÂÊΪ
µÄÖ±Ïß¹ýÍÖÔ²µÄÓÒ½¹µã£¬ÇÒÓëÍÖÔ²½»ÓÚµã
£¬
£¬Èô
£¬Çó¡÷
µÄÃæ»ý.
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com