terated integrals

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Calc 3 - iterated integrals

This exercise provides an example of a function of two variables to which Fubini's Theorem does not apply.
(a) Find each partial derivative.
i.
-arctan(y/x)
dx
ii.
-arctan(y/x)
ду
ii.
-arctan(y/x)
дудх
iv.
- arctan(y/x)
дхду
(b) Use part (a) to show that
1
1
1
y – x2
(x² + y² )²
y - x?
dx dy #
dy dx.
(x² + y² )²
Transcribed Image Text:This exercise provides an example of a function of two variables to which Fubini's Theorem does not apply. (a) Find each partial derivative. i. -arctan(y/x) dx ii. -arctan(y/x) ду ii. -arctan(y/x) дудх iv. - arctan(y/x) дхду (b) Use part (a) to show that 1 1 1 y – x2 (x² + y² )² y - x? dx dy # dy dx. (x² + y² )²
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