hi
look at this link:Arc length - Wikipedia, the free encyclopedia
search the part called Finding arc lengths by integrating
What is the arc length of the part of the curve y= (1/12)e^x + (3)e^−x for ln2 ≤ x ≤ ln4?
I can't seem to get the right answer. I got the derivative of the curve, plugged it into the formula, and still can't get it. Am I missing some trick?
Thanks!
hi
look at this link:Arc length - Wikipedia, the free encyclopedia
search the part called Finding arc lengths by integrating