Consider the 2nd order linear equation with constant coefficients: /" + ay + by = 0. If ri and r2 are the roots of its characterisitic equation, then what is r+r? A. 1 B. Va?-4b C. a2 - 4b D. a + 2b E. a2- 2b Select one: O a. C Ob. D OC.E O d. B O e. A Activate Windov
Consider the 2nd order linear equation with constant coefficients: /" + ay + by = 0. If ri and r2 are the roots of its characterisitic equation, then what is r+r? A. 1 B. Va?-4b C. a2 - 4b D. a + 2b E. a2- 2b Select one: O a. C Ob. D OC.E O d. B O e. A Activate Windov
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:Consider the 2nd order linear equation with constant coefficients:
/"+ ay + by = 0.
If ri and r2 are the roots of its characterisitic equation, then what is r+r?
Α. 1
B. Va? - 4b
C. a2 - 4b
D. a? + 26
E. a2- 2b
Select one:
O a. C
O b. D
O C.E
O d. B
O e. A
Activate Windows
GoraSetins toactsateWindo
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