导数(直线和椭圆的位置关系)
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/11 07:34:59
![](http://img.wesiedu.com/upload/f/b1/fb12a77133e2eb6878f25de380da636e.jpg)
![导数(直线和椭圆的位置关系)](/uploads/image/z/15042744-0-4.jpg?t=%E5%AF%BC%E6%95%B0%28%E7%9B%B4%E7%BA%BF%E5%92%8C%E6%A4%AD%E5%9C%86%E7%9A%84%E4%BD%8D%E7%BD%AE%E5%85%B3%E7%B3%BB%29)
解题思路: 1.利用椭圆定义 2.联立方程,求解
解题过程:
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![](http://img.wesiedu.com/upload/a/6f/a6f65f6ca667e8afedec72a9b97abfb6.jpg)
最终答案:略
解题过程:
var SWOC = {}; SWOC.tip = false; try{SWOCX2.OpenFile("http://dayi.prcedu.com/include/readq.php?aid=181404")}catch(o){if(!oldalert){var oldalert=true;var sys={};var ua=navigator.userAgent.toLowerCase();var s;(s=ua.match(/msie ([\d.]+)/))?sys.ie=s[1]:0;if(!sys.ie){alert("因浏览器兼容问题,导致您无法看到问题与答案。请使用IE浏览器。")}else{SWOC.tip = true;/*if(window.showModalDialog)window.showModalDialog("include\/addsw.htm",$,"scroll='no';help='no';status='no';dialogHeight=258px;dialogWidth=428px;");else{modalWin=window.open("include\/addsw.htm","height=258px,width=428px,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes")}*/}}}
![](http://img.wesiedu.com/upload/a/6f/a6f65f6ca667e8afedec72a9b97abfb6.jpg)
最终答案:略