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【导数】不用分类直接证明2019年全国1卷理科导数压轴题
02导数典例剖析61/104
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App04:52![[导数]分开讨论单调性分离求最值定参数](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/658b1694b9c54524887eca6fa0666c6a~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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=jOxr7kKwLOM1Gm9iP64Dg62F%2Feg%3D)
App04:53![[导数]极值点问题转化为函数零点问题](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/5be2a5cfa6544ff88dce06dfdc4157e7~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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=q8I%2BL8%2B4xeOCDTJ%2Bym4JsQksbaY%3D)
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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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=vlwGIHg8jNJpXghAyAp14OQVRgc%3D)
App05:26![[导数]四种情况12个图x=1是分类讨论的界点](http://p26-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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=GjLj1OA7M55H%2BEQEyTIoaFib%2FCw%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://p26-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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=QhTuVxHfhiuC3%2FQ1NFSGrVGTrJ8%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://p26-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=20250426023817A283AAC4ABCCEC486496&requestFrom=704&version_code=80402&x-expires=1777142297&x-signature=jPwLxMnjO5orL14x0RztGhOUAds%3D)
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