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Solve the following inequalities using an algebraic method. a) (x² + 2x) (x² - 9) ≤0 b) x²+2x-8 x²-16 >0

Solve the following inequalities using an algebraic method. a) (x² + 2x) (x² - 9) ≤0 b) x²+2x-8 x²-16 >0

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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Solve the following inequalities using an algebraic method. a) (x² + 2x) (x²9) ≤ 0 b) x²+2x-8 x²-16 ≥0
Transcribed Image Text:Solve the following inequalities using an algebraic method. a) (x² + 2x) (x²9) ≤ 0 b) x²+2x-8 x²-16 ≥0
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