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Recall that the reverse triangle inequality for

Recall that the reverse triangle inequality for

Advanced Engineering Mathematics
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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Recall that the reverse triangle inequality for complex numbers is |22 + 21| > |2| – |21|. 22 Let f(=) = + #)(2? + #) (2² + a²)(z² + b²) (a) Justify the following 22 lim R→∞ dz (2² + a²)(z² + b²) - dr (x² + a²)(x² + b²) (b) What is dx? (x² + a²)(x² + b²)
Transcribed Image Text:Recall that the reverse triangle inequality for complex numbers is |22 + 21| > |2| – |21|. 22 Let f(=) = + #)(2? + #) (2² + a²)(z² + b²) (a) Justify the following 22 lim R→∞ dz (2² + a²)(z² + b²) - dr (x² + a²)(x² + b²) (b) What is dx? (x² + a²)(x² + b²)
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