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Find constants a and b such that the function y = a sin(x) + b cos(x) satisfies the differential equation y'' + y' − 8y = sin(x).

User Gnr
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Consider, please, the suggested full solution. Modify the design according to local requirements.
Find constants a and b such that the function y = a sin(x) + b cos(x) satisfies the-example-1
User Vinay Sandesh
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