The ebook Elementary Calculus is based on material originally written by H.J. Keisler. For more information please read the copyright pages.


Example 3

Find08_exp-log_functions-246.gif

08_exp-log_functions-247.gif

Note that ln x is undefined at -1 and - e but ln|x| is defined there. The absolute value sign is put in when integrating 1/x and removed when differentiating ln |x|.


Last Update: 2006-11-16