4. Let L be the line segment L = [-i, 2i]. (a) Use the Triangle Inequality and the Reverse Triangle Inequality to show that for every z E L we have |z − 1 ≤3 and z+4|22.
4. Let L be the line segment L = [-i, 2i]. (a) Use the Triangle Inequality and the Reverse Triangle Inequality to show that for every z E L we have |z − 1 ≤3 and z+4|22.
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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![4. Let L be the line segment L = [−i, 2i].
(a) Use the Triangle Inequality and the Reverse Triangle Inequality to show that for
every z E L we have
|z − 1 ≤ 3 and |z+4| ≥2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb0d2dbea-0987-4c02-a00c-0b87f219c8f9%2F588565bd-d31d-4981-94cb-4bb1a92962f0%2Fx6vxxc_processed.png&w=3840&q=75)
Transcribed Image Text:4. Let L be the line segment L = [−i, 2i].
(a) Use the Triangle Inequality and the Reverse Triangle Inequality to show that for
every z E L we have
|z − 1 ≤ 3 and |z+4| ≥2.
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