Éèh(x)£½x£«£¬x¡Ê[£¬5]£¬ÆäÖÐmÊDz»µÈÓÚÁãµÄ³£Êý£¬
(1)m£½1ʱ£¬Ö±½Óд³öh(x)µÄÖµÓò
(2)Çóh(x)µÄµ¥µ÷µÝÔöÇø¼ä£»
(3)ÒÑÖªº¯Êýf(x)(x¡Ê[a£¬b])£¬¶¨Ò壺f1(x)£½min{f(t)|a¡Üt¡Üx}(x¡Ê[a£¬b])£¬f2(x)£½max{f(t)|a¡Üt¡Üx}(x¡Ê[a£¬b])£®ÆäÖУ¬min{f(x)|x¡ÊD}±íʾº¯Êýf(x)ÔÚDÉϵÄ×îСֵ£¬max{f(x)|x¡ÊD}±íʾº¯Êýf(x)ÔÚDÉϵÄ×î´óÖµ£®ÀýÈ磺f(x)£½cosx£¬x¡Ê[0£¬¦Ð]£¬Ôòf1(x)£½cosx£¬x¡Ê[0£¬¦Ð]£¬f2(x)£½1£¬x¡Ê[0£¬¦Ð]£¬µ±m£½1ʱ£¬|h1(x)£h2(x)|¡Ünºã³ÉÁ¢£¬ÇónµÄÈ¡Öµ·¶Î§£»
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´£ºÉϺ£ÊзîÏÍÇø2011½ì¸ßÈý12Ôµ÷ÑвâÊÔÊýѧÀí¿ÆÊÔÌâ ÌâÐÍ£º044
Éèh(x)£½£¬x¡Ê[£¬5]£¬ÆäÖÐmÊDz»µÈÓÚÁãµÄ³£Êý£¬
(1)д³öh(4x)µÄ¶¨ÒåÓò£»
(2)Çóh(x)µÄµ¥µ÷µÝÔöÇø¼ä£»
(3)ÒÑÖªº¯Êýf(x)(x¡Ê[a£¬b])£¬¶¨Ò壺f1(x)£½min{f(t)|a¡Üt¡Üx}(x¡Ê[a£¬b])£¬f2(x)£½max{f(t)|a¡Üt¡Üx}(x¡Ê[a£¬b])£®ÆäÖУ¬min{f(x)|x¡ÊD}±íʾº¯Êýf(x)ÔÚDÉϵÄ×îСֵ£¬max{f(x)|x¡ÊD}±íʾº¯Êýf(x)ÔÚDÉϵÄ×î´óÖµ£®ÀýÈ磺f(x)£½cosx£¬x¡Ê[0£¬¦Ð]£¬Ôòf1(x)£½cosx£¬x¡Ê[0£¬¦Ð]£¬f2(x)£½1£¬x¡Ê[0£¬¦Ð]£¬µ±m£½1ʱ£¬É裬²»µÈʽt¡ÜM1(x)£M2(x)¡Ünºã³ÉÁ¢£¬Çót£¬nµÄÈ¡Öµ·¶Î§£»
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
ÒÑÖªº¯Êýf(x)£½loga(1£«x)£¬g(x)£½loga(1£x)£¬ÆäÖÐ(a>0ÇÒa¡Ù1)£¬Éèh(x)£½f(x)£g(x)£®
(1)Çóº¯Êýh(x)µÄ¶¨ÒåÓò£»
(2)ÅжÏh(x)µÄÆæżÐÔ£¬²¢ËµÃ÷ÀíÓÉ£»
(3)Èôf(3)£½2£¬Çóʹh(x)>0³ÉÁ¢µÄxµÄ¼¯ºÏ£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
ÒÑÖªº¯Êýf(x)£½loga(1£«x)£¬g(x)£½loga(1£x)£¬ÆäÖÐ(a>0ÇÒa¡Ù1)£¬Éèh(x)£½f(x)£g(x)£®
(1)Çóº¯Êýh(x)µÄ¶¨ÒåÓò£»
(2)ÅжÏh(x)µÄÆæżÐÔ£¬²¢ËµÃ÷ÀíÓÉ£»
(3)Èôf(3)£½2£¬Çóʹh(x)>0³ÉÁ¢µÄxµÄ¼¯ºÏ£®
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
ÒÑÖªº¯Êýf(x)£½loga(1£«x)£¬g(x)£½loga(1£x)£¬ÆäÖÐ(a>0ÇÒa¡Ù1)£¬Éèh(x)£½f(x)£g(x)£®
(1)Çóº¯Êýh(x)µÄ¶¨ÒåÓò£»
(2)ÅжÏh(x)µÄÆæżÐÔ£¬²¢ËµÃ÷ÀíÓÉ£»
(3)Èôf(3)£½2£¬Çóʹh(x)>0³ÉÁ¢µÄxµÄ¼¯ºÏ£®
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