Consider the following integral: (³ In(2x) dx.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question

Transcribed Image Text:Consider the following integral:
S³₁
(a) Why is this integral improper? Choose the best answer.
3.
A. Because lim ln(2x) = ∞.
t→∞
B. Because ln(2x) is not the derivative of an
elementary function.
A. It diverges.
774
B.
In(2x) dx.
C. Because the domain of ln(2x) is not the en-
tire real line.
(b) Find the value of this improper integral, if it converges.
C. 1
1
D.
D. Because ln(2x) has a vertical asymptote at
x = 0.
E. Because In (2x) is zero at x
=
F. Because In (2x) has a horizontal asymptote.
E. -2
F. -1
1/2.
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