Use undetermined coefficients to find the particular solution to y"+y-12y = −800 sin(4t) Y(t) =

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A:

Q: I need help please

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A:

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A: Answer Explanation:Step 1: Step 2: Step 3: Step 4:

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A: Let assume,

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A: xy=|x+3|-5y=|-5+3|=2-4y=|-4+3|=1-3y=|-3+3|=0-2(hole point)y=|-2+3|=1

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A: