Show that the given function is a solution of the differential equation. d²y dx² Substituting +9y = 6 cos(3x), y = x sin(3x) + c sin(3x) and y into the original equation gives dx + 9(x sin(3x) + c sin(3x)) = 6 cos(3x). The solution

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.CR: Chapter 11 Review
Problem 33CR
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Show that the given function is a solution of the differential equation.

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Show that the given function is a solution of the differential equation.
d²y
dx²
d²y
dx²
dy
dx
+9y = 6 cos(3x), y = x sin(3x) + c sin(3x)
Substituting and
checks.
y into the original equation gives
+ 9(x sin(3x) + c sin(3x)) = 6 cos(3x). The solution
Transcribed Image Text:Show that the given function is a solution of the differential equation. d²y dx² d²y dx² dy dx +9y = 6 cos(3x), y = x sin(3x) + c sin(3x) Substituting and checks. y into the original equation gives + 9(x sin(3x) + c sin(3x)) = 6 cos(3x). The solution
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