ÉϼܸÐÑÔ£¨1/3£©
µÚÒ»°Ùһʮ¶þÕÂ
¿ÉϧûÓÐÓöµ½¸ð¾üµÄʱ´ú£¿
ÕâÊÇʲôÒâ˼£¿
¸ÐÇéÄãÕâλͬѧ»¹Ïë±»ÄÇλ¸ð´óү۵ÄËÀÈ¥»îÀ´£¿£¡
¸ã²»¶®£¬¸ã²»¶®£¡
ÖÐÄê¼à¿¼ÀÏʦ±³¸º×ÅË«ÊÖ£¬ÂýÓÆÓÆµÄ»Øµ½½²Ì¨Ç°¡£
¶ø±ÏÆëÕâ±ß¡£
¾¹ýµ÷Õû£¬±ÏÆëͬѧÒÑ¾ÖØÊ°ºÃÐÄ̬¡£
ËãÁË£¬¼òµ¥¾Í¼òµ¥°É¡£
¸ß¿¼×´Ôª×¢¶¨ºÍ×Ô¼ºÎÞÔµ£¬ÄÇËûÒ²¾Í²»Ç¿ÇóÁË£¡
¿ìÀָ߿¼£¡
¹ÜËûÊÔÌâ¼òµ¥»¹ÊÇÀ§ÄÑ£¬¿ìÀÖ¾ÍÍêÊÂÁË£¡
¡¡¡¡
±ÏÆëÉîºôÒ»¿ÚÆø£¬Ì§Æð±Ê£¬ÊÓÏßÂäÔÚÊÔ¾íÉÏ¡£
£¨1£©É躯Êýy=¡Ì£¨4-x^2£©µÄ¶¨ÒåÓòA£¬º¯ÊýµÄ¶¨ÒåÓòΪB£¬Ôò
£¨A£©£¨1£¬2£©£¨B£©£¨C£©£¨-2£¬1£©£¨D£©¡¾-2£¬1£©
£¨2£©¡¡
һ·ºáɨ¡£
°ë¸öСʱ¶àµãµÄʱ¼ä£¬±ÏÆë¾ÍºáÍÆµ½ÊÔ¾íµÄ×îºóÁ½Ìâ¡£
20¡¢ÒÑÖªº¯Êýf£¨x£©=x^2 +2cosx£¬g£¨x£©=e^x£¨cosx-sinx+2x-2£©£¬ÆäÖÐe¡Ö2.178¡¡ÊÇ×ÔÈ»¶ÔÊýµÄµ×Êý.
£¨¢ñ£©ÇóÇúÏßy= f£¨x£©Ôڵ㣨¦Ð.f£¨¦Ð£©£©´¦µÄÇÐÏß·½³Ì.
£¨¢ò£©Áîh£¨x£©=g £¨x£©-a f£¨x£©£¨ a R£©£¬ÌÖÂÛ£¨x£©µÄµ¥µ÷ÐÔ²¢ÅжÏÓÐÎÞ¼«Öµ£¬Óм«ÖµÊ±Çó³ö¼«Öµ.
ÕâÌâµÄµÚÒ»ÎÊ×ÔÈ»²»ÓÃ˵¡£
ÒªÊÇÁ¬ÕâÌâ¶¼²»»áµÄÄÇȺÈË£¬±ÏÆë¶¼²»ÖªµÀÊÇ´ÓÄÄÀ´µÄÓÂÆøÌ¤½ø¸ß¿¼¿¼³¡µÄ¡£
µÚ¶þÎÊ£¬ÄѶÈûÓУ¬Ö»ÊÇÉÔ΢¸´Ôӵ㡣
Ê×ÏÈ£¬¸ù¾ÝÌâ¸É£¬µÃ³öh£¨x£©=e^x£¨cosx-sinx+2x-2£©-a£¨x^2 +2cosx£©.
¶Ôh£¨x£©Çóµ¼µ ¡°£¨x£©=2£¨e^x-a£©£¨x-sinx£©.
Áîm£¨x£©=x-sinx£¬Ôòm¡°£¨x£©=1-cosx.
µÃ³öm£¨x£©ÔÚRÉϵĵ¥µ÷ÐÔ¡£
½Ó×Å£¬·Ö±ðÌÖÂÛaСÓÚµÈÓÚÁ㣬ºÍa´óÓÚÁãµÄÁ½ÖÖÇé¿ö¡£
×îºó£¬µÃ³öh£¨x£©µÄµ¥µ÷ÐÔ£¬²¢È·¶¨¼«Öµ¡£
so easy~~
µÚ¶þʮһÌ⣬Ҳ¾ÍÊÇ×îºóÒ»µÀÍÖÔ²ÇúÏßÌâÄ¿¡£
ÔÚ±ÏÆë¿´À´£¬ÕâµÀÌâÄ¿µÄÄѶȣ¬¸ù±¾Åä²»ÉÏÕâÑùÒ»¸öѹÖáµÄλÖá£
µÚһСÎÊ£¬ÇóÒ»ÏÂÀëÐÄÂʾÍÇáËɵóö´ð°¸ÁË¡£
µÚ¶þСÎÊ£¬ÁªÁ¢·½³ÌËã¾ÍÐÐÁË¡£
³ýÁ˼ÆËãÁ¿´óµã£¬¼¼ÊõÄѶȻù±¾ÉϵÈÓÚûÓС£
²»µ½Ò»¸öСʱ£¬±ÏÆë¸ã¶¨ÁËÕûÌ×ÊÔ¾íËùÓеÄ21µÀÌâÄ¿¡£
¡°Ë÷È»ÎÞȤ£¬Ë÷È»ÎÞȤ°¡£¡¡±
±ÏÆëͬѧÔÒ°ÉÔÒ°É×죬һ¸±ÒâÐËÀ»ÉºµÄÑù×Ó¡£
ÔçÖªµÀÕâ´ÎÊýѧÊÔ¾íÕâôûÓÐÌôÕ½ÄѶȣ¬±ÏÆë»òÐí»á¿¼ÂDz»²Î¼Ó¸ß¿¼¡£
±Ï¾¹£¬ÕâÑùµÄÒ»Ì×ÊÔ¾í¡¡
ÒªÊÇ¿¼ÁËÂú·Ö£¬Ò²Ö¤Ã÷²»³öËûÓжàÅ£±Æ¡£
µ«ÒªÊÇ¿¼²»ÁËÂú·Ö£¬ÄǾÍÊÇÒõ¹µÀï·´¬£¬ÓÐÍí½Ú²»±£µÄ¿ÉÄÜ¡£
¡°°¥£¬×Ðϸ¼ì²é¼ì²é°É£¡Ç§Íò±ðÔÙÓãÌÁ¾ÖÀï·³µÁË¡£¡±
ʱ¼ä»¹Ôç¡£
±ÏÆë»·ÊÓÁËÒ»ÏÂËÄÖÜ£¬·¢ÏÖͬ¿¼³¡µÄËùÓÐÈË»¹ÔÚºÍÊÔ¾íµÄÌâÄ¿¼èÄѵÄ÷éÕ½×Å¡£
ΪÁ˱ÜÃâÄò»µ½Âú·Ö²úÉúµÄÞÏÞΣ¬±ÏÆë»¹ÊǾö¶¨¶à¼ì²é¼¸±é¡£
µÚÒ»±é£¬Ã»ÎÊÌâ¡£
µÚ¶þ±é£¬Ã»Ã«²¡¡£
µÚÈý±é£¬ÕâÊÇË×öµÄ´ð¾í£¬¼òÖ±¿°³Æ½Ì¿ÆÊé¼¶±ðµÄÍêÃÀ£¡
ʲô£¿ÊÇÎÒ×öµÄÂð£¿Óеã¹Ö²»ºÃÒâ˼µÄ¡£
¼ì²éÍêºÃ¼¸±é£¬È·¶¨×Ô¼º´ð¾íûÓÐÎÊÌâµÄ±ÏÆë£¬
±¾ÕÂδÍ꣬Çë·ÏÂÒ»Ò³¼ÌÐøÔĶÁ......... Çë¼Çס¡¾ÎÒµÄÀÏʦÊÇѧ°Ô¡¿×îиüÐÂÕ½ڡ¼ÉϼܸÐÑÔ¡½µØÖ·https://m.zuimeng.net/180/180299/112.html