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【导数】法②分离参数 看出零点
02导数典例剖析60/104
![[导数]同构分离求参数范围](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c063ab34b12d4dff9cb7d6e88d1b1128~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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=YiQeNFzJxY8qLsNSgb%2BMDeOzFYk%3D)
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App04:52![[导数]分开讨论单调性分离求最值定参数](http://p26-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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=oE3XHiE3RnOifVlpbiKzv3qQ%2FP0%3D)
App04:53![[导数]极值点问题转化为函数零点问题](http://p26-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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=OMh3VAZaw2PictRtlr2Z25HSxXA%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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=fGAvWI6oUtv0g3%2FdlDTkBn8FS2I%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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=la26vV2SS5R2PpjeqPjFGd5lOzE%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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=Q9xJqOzRozrjp6deo1IDD82HyYE%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=20250306150541438E787957DA9F3F40AC&requestFrom=704&version_code=80402&x-expires=1772780741&x-signature=cDSgJgMV90zVR9F%2BbIRf3IuqwHY%3D)
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