Answer
$\ln 2$
Work Step by Step
Using the fact that $\frac{u'}{u}=\ln u $, we have
$$\int_1^2 \frac{1}{x}dx =\ln x|_1^2=\ln 2-\ln 1=\ln 2 $$
where used the property $\ln 1=0.$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 7 - Exponential Functions - 7.3 Logarithms and Their Derivatives - Exercises - Page 343: 106
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
