KU Interactive Mathematics
 Course Info Office Hours Exams LiveMath TI Help KU Math Dept Home
 Help Files
 
Exponential Equations
 
n
Question: How would I do problems such as  ex-2 = 13.1?
io 

Yours Truly answers: Listen to my voice explanation with it.
First note that the presence of  e  calls for the use of the natural logarithmic function  ln. So, we begin by taking the  ln  of both side of the given equation.

And, that is how it should be solved.

Mitsuma’s Web Site
 
 Help Files
 Course Info Office Hours Exams LiveMath TI Help KU Math Dept Home
 KU Interactive Mathematics

Disclaimer • Updated September 4, 2008
Email: mitsuma@kutztown.edu
Phone: +1 (610) 462-WPJW