设，则该方程在点的某邻域内可确定一个单值可导函数，也可在点的某邻域内确定一个单值可导函数.http://img-ph-mirror.nosdn.127.net/PdC4ypEgBc5q9qtn7ScNNA==/6598169278286206022.pnghttp://img-ph-mirror.nosdn.127.net/8ovvAcKr-OrYuveDVJT-YA==/6597347943100622342.pnghttp://img-ph-mirror.nosdn.127.net/EI0i-5cpoeBw12KiTuNwEA==/1493787701504039319.pnghttp://img-ph-mirror.nosdn.127.net/8ovvAcKr-OrYuveDVJT-YA==/6597347943100622342.pnghttp://img-ph-mirror.nosdn.127.net/OaW8oMMneDL1tVxtQx1AzQ==/1374723786355111395.png
举一反三
- 设[img=193x23]180386b08707a03.png[/img]，则该方程在点[img=39x25]180386b09036115.png[/img]的某邻域内可确定一个单值可导函数[img=66x25]180386b09915cca.png[/img]，也可在点[img=39x25]180386b09036115.png[/img]的某邻域内确定一个单值可导函数[img=68x25]180386b0aadf698.png[/img].
- 设[img=193x23]18038339de3a696.png[/img]，则该方程在点[img=39x25]18038339e6be6fe.png[/img]的某邻域内可确定一个单值可导函数[img=66x25]18038339ef6ecdf.png[/img]，也可在点[img=39x25]18038339e6be6fe.png[/img]的某邻域内确定一个单值可导函数[img=68x25]18038339ff8984a.png[/img].
- 设函数在点处存在关于和的一阶偏导数，则极限的值为.https://img-ph-mirror.nosdn.127.net/AzSolBHpAcwrMwJeuCZ3qw==/6608821346933715540.pnghttps://img-ph-mirror.nosdn.127.net/riflWFLWLx67TbwPlzd9tA==/6608437617375621610.pnghttps://img-ph-mirror.nosdn.127.net/dyIPWyFt4Slg58f2hJhSgA==/6599324865005947430.pnghttps://img-ph-mirror.nosdn.127.net/UdiS2LasHHPU1rvP0W8m0g==/6599309471843212852.pnghttps://img-ph-mirror.nosdn.127.net/9E39I3VJ73DxsgLGL8JhGg==/6608841138143042768.png
- 函数[img=34x25]1802fa094a5e188.png[/img]在点[img=17x17]1802fa0951d2a1a.png[/img]处可导，那么存在点[img=17x17]1802fa0951d2a1a.png[/img]的一个邻域，使得函数在此邻域内连续。
- 中国大学MOOC: 一个单位负反馈系统的开环传递函数为http://img-ph-mirror.nosdn.127.net/JSk6cvmp15ubGkkyd-dGlg==/6598181372974062879.png，试确定系统阶跃响应的动态性能http://img-ph-mirror.nosdn.127.net/zNWHsiynbK_GL3ppVZ85rw==/1082834235424067544.png,http://img-ph-mirror.nosdn.127.net/ZWYxBqUL3c_BqQ8Cu7QJqg==/2393944676941754810.png,http://img-ph-mirror.nosdn.127.net/XlVgUO7BDPYluRlU48mW6A==/2810527642473328756.png。(http://img-ph-mirror.nosdn.127.net/R548rvE3a5gM3vJlzynA8Q==/6608803754747757399.png=5%)（ ）