b) Prove that |x| ≤ 1 implies that |x² + 2x - 3| ≤ 4|x − 1].
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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Transcribed Image Text:b) Prove that |x| ≤ 1 implies that |x² + 2x - 3| ≤ 4|x − 1].
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