y" +9y = 18 sec (3x), 1x <지/6.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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use the variation-of-parameters method to find the general solution to the given differential equation

y" +9y = 18 sec (3x),
1x <지/6.
Transcribed Image Text:y" +9y = 18 sec (3x), 1x <지/6.
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