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国际课程提前学Alevel数学微积分2:切线与法线(后附视频讲解)

今天的国际课程提前学,给大家带来的是:切线与法线,请大家一起来学习吧!(后附视频解读哦~)

Two forms of Equation of lines

直线方程的两种常见形式:

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaABwpe8GGBdTgOgR80vE3GZIUk1qibW7AShMUtIYYwzb7EuiaTufPDd22A/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAhwpNSP1x2zOuh3dR6iawOLI9UMzmITHu8YY46EDLz4HhBU0O3phzzwA/640?wx_fmt=png

Tangent lines & normal lines

切线与法线

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaANuzrQssF58qClwLIduf1OaXibfET0bVnDPTAicforyT5CoUp50jaL1mg/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaA3ia79g3I54M1B9XVn76tneam2pic9StiaHcpT9tENedGyudQQrQ635iarw/640?wx_fmt=png

切线方程:

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAg6Ev5HFldxrCricUGH32YbE9QBfibuibP9cFkxESic7JT7CFv8ZSM6eygw/640?wx_fmt=png

法线方程:

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAnZowhBFcIbwIvFnFxD2KKU53muRGSLbqO55R8sLwJflKmlticuBoO5w/640?wx_fmt=png

Example 1

求切线

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAic7icAMYwGYYaGiad4wBlMic0xVAYq3pYzT8l7OPSlHjibCiaXjz8uW04jLg/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaA3qkwYOJN5QCgL2NXicQ2BRxMFkkv4zus3YZsnJicLdjyuObanibaJLxBQ/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAyAgt2jpGk8s4uzNSicqqpViawepbIuEeWOVOJibIjcLaVibzcYuRkRU6RA/640?wx_fmt=png

Example 2

求法线

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAJ2ye3O3bUYGH7MWZ4Iic48uDTJMNmL8z055vLmZEI6YcXS1icia1KduXA/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaAKfFibBqMKxDafCXB5YgpUJgY8CzdNsvmAAdDiabJs6ewgiaEpicViaZjQOA/640?wx_fmt=png

https://mmbiz.qpic.cn/mmbiz_png/y62uKLYkM8fENaPje3nb7RRwyXZBwAaArW7q9zy6VNIWkuzprft9icFPCicIrtXbI85F3O8HpiajLr02FzKXHic9NQ/640?wx_fmt=png