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【导数】法①二次求导+分离参数+求一最值.
02导数典例剖析66/104
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App02:38![[导数]全分离虚设零点求参数最大整数值](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/a1dfb6a3ee534e44bb0b8e5d4cf4a119~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250426011628D617BBD28661CAFA6DEE&requestFrom=704&version_code=80402&x-expires=1777137389&x-signature=p89KpYBFnCYaOICp0JVE0UhPaWo%3D)
App05:26![[导数]四种情况12个图x=1是分类讨论的界点](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/08af9ffa2a02422a8363b453dd3aa8ff~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250426011628D617BBD28661CAFA6DEE&requestFrom=704&version_code=80402&x-expires=1777137389&x-signature=QUQCI1IidKrPIMdhjFWdMTld3PM%3D)
App07:00![[导数]分类讨论统一对数式一种情况一个图求参数范围](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e4020ca7761b4265ba9da40675ad82ea~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250426011628D617BBD28661CAFA6DEE&requestFrom=704&version_code=80402&x-expires=1777137389&x-signature=vR1wZJmtWMZ0CqGHHbfMMxKEtHM%3D)
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App09:35![[导数]极值点化为零点方程的解化为函数图象交点求参数范围](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/aabf3af2e4774b318f7dd35d33b08b85~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250426011628D617BBD28661CAFA6DEE&requestFrom=704&version_code=80402&x-expires=1777137389&x-signature=liG3pBUPsFpG9Y73y8ny49Frk8Y%3D)
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