3. Find the general solution of the system of differential equations * - ()* d 8 -5 10 + 4°c ( cos(7t) – 7 sin(7t) ) .o7 7. 10 cos(7t) 7 cos(7t) + sin(7t) ). 10 sin(7t) + 8t"e7 (

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A: I am going to solve the given problem by using some simple calculus to get the rwquired result.

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A: Hence option (b) is correct.

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A: The given differential equation is: y''+9y=6 cos x

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A: Question is solved.

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A: As per our guidelines we are supposed to answer only one question at a time. Kindly repost other…

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A: We will solve the second order differential equation.

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A: Explained below

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