The particular integral(P.I.) of the differential equation (D² + 5²)y = 2 cos² x – 1 is_ cos2x 29 sin2x 21 cosx 21 cos2x 21
The particular integral(P.I.) of the differential equation (D² + 5²)y = 2 cos² x – 1 is_ cos2x 29 sin2x 21 cosx 21 cos2x 21
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:The particular integral(P.I.) of the differential equation(D² + 5²)y = 2 cos² x – 1 is_
cos2x
29
sin2x
21
Cosx
21
cos2x
21
Expert Solution
Step 1
Here we use the trigonometric properties. Also use the method of undetermined coefficients to solve differential equation.
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