5. Consider the set B (5, 7]. (a) State without using negative words what it would mean for a number z to FAIL to be an upper bound for the set B = (5, 7]. (b) Prove that 6 is NOT an upper bound for B (5, 7. %3D (c) Prove that 8 is NOT the least upper bound for B = (5, 7).
5. Consider the set B (5, 7]. (a) State without using negative words what it would mean for a number z to FAIL to be an upper bound for the set B = (5, 7]. (b) Prove that 6 is NOT an upper bound for B (5, 7. %3D (c) Prove that 8 is NOT the least upper bound for B = (5, 7).
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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![5. Consider the set B (5, 7].
(a) State without using negative words what it would mean for a number z to FAIL to be
an upper bound for the set B= (5, 7|.
(b) Prove that 6 is NOT an upper bound for B = (5, 7).
(c) Prove that 8 is NOT the least upper bound for B (5, 7).
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3d940ce8-cba2-4a95-af25-aae0739ca5aa%2F5d841095-2680-4476-a28c-662f789c2f54%2Fgtxqyer_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. Consider the set B (5, 7].
(a) State without using negative words what it would mean for a number z to FAIL to be
an upper bound for the set B= (5, 7|.
(b) Prove that 6 is NOT an upper bound for B = (5, 7).
(c) Prove that 8 is NOT the least upper bound for B (5, 7).
%3D
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