指數與對數的親密接觸

指數與對數兩個互為反函數，當底數等於多少時，會讓它們兩個有第一次的親密接觸呢？

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

參考網址：
http://witsofmath.wordpress.com/2008/08/28/%E6%8C%87%E5%B0%8D%E6%95%B8%E7%9A%84%E8%A6%AA%E5%AF%86%E6%8E%A5%E8%A7%B8/

羅驥韡, 製作本網頁的程式： GeoGebra