3. Using the residue theorem, evaluate the integral x sin x dx. ,(1 + x²)²°

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.4: Ordered Integral Domains
Problem 5E: 5. Prove that the equation has no solution in an ordered integral domain.
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Using the residue theorem, evaluate the integral 

Show the details of your calculation clearly. Provide a sketch of your contour of choice (including the relevant singular point(s)) and check that the conditions for Jordan’s lemma to hold are satisfied before invoking the lemma. 

3. Using the residue theorem, evaluate the integral
x sin x
dx.
(1+ x²)z'
I =
Show the details of your calculation clearly. Provide a sketch of your contour of choice (including
the relevant singular point(s)) and check that the conditions for Jordan's lemma to hold are
satisfied before invoking the lemma.
Transcribed Image Text:3. Using the residue theorem, evaluate the integral x sin x dx. (1+ x²)z' I = Show the details of your calculation clearly. Provide a sketch of your contour of choice (including the relevant singular point(s)) and check that the conditions for Jordan's lemma to hold are satisfied before invoking the lemma.
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