An interesting Maths question

👨🏻‍🏫 學術台數學

2011-03-24 8:04 am

如何證明一元三次方程的求根公式？
圖片參考：http://upload.wikimedia.org/math/2/6/9/26909d8885aded28589de74a02ea4519.png

回答 (1)

2011-03-24 8:33 pm

✔ 最佳答案

As follows:

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_01Mar241154.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_03Mar241212.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_04Mar241218.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_05Mar241225.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_06Mar241228.gif

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_07Mar241230.gif

2011-03-24 12:36:02 補充：
If the pics cannot be seen, please visit:
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_01Mar241154.gif
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_03Mar241212.gif
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_04Mar241218.gif

2011-03-24 12:36:05 補充：
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_05Mar241225.gif
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_06Mar241228.gif
http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_07Mar241230.gif

參考: http://en.wikipedia.org/wiki/Cubic_equation

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