Answer: In 1–8, find a general solution to the

Chapter 4, Problem 5E

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QUESTION:

In Problems , find a general solution to the differential equation using the method of variation of parameters.

                                       \(y^{\prime \prime}+9 y=\sec ^{2}(3 t)\)

Equation Transcription:

Text Transcription:

y''+9y=sec^2⁡(3t)

Questions & Answers

QUESTION:

In Problems , find a general solution to the differential equation using the method of variation of parameters.

                                       \(y^{\prime \prime}+9 y=\sec ^{2}(3 t)\)

Equation Transcription:

Text Transcription:

y''+9y=sec^2⁡(3t)

ANSWER:

Solution:

Step 1: 

In this problem ,we have to find the general solution of the differential equation using method of the variation of parameters.

The given equation is:

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