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1. Determine the characteristic of the roots of the quadratic equations. a) х? — х —30 %3D0 b) 7x – 3x – 7 = 0 | c) x? + 8x – 9 = 0 d) 8x +4 – x² = 0

1. Determine the characteristic of the roots of the quadratic equations. a) х? — х —30 %3D0 b) 7x – 3x – 7 = 0 | c) x? + 8x – 9 = 0 d) 8x +4 – x² = 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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1. Determine the characteristic of the roots of the quadratic equations. a) x? – x – 30 = 0 b) 7x – 3x – 7 = 0 | c) x? + 8x – 9 = 0 d) 8x +4 –x? = 0
Transcribed Image Text:1. Determine the characteristic of the roots of the quadratic equations. a) x? – x – 30 = 0 b) 7x – 3x – 7 = 0 | c) x? + 8x – 9 = 0 d) 8x +4 –x? = 0
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