Consider the differential equation,$y''+2y=cos(kt)$, what is the values of k such that solutions to the differential equation are unbounded
What is the value of k, so that the solution is unbounded
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ordinary-differential-equations
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4So many questions asked and you still do not know that one is supposed to show what one tried, why this failed, and so on? – 2012-05-07
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2WolframAlpha can solve the differential equation for you. All that remains is to check for which values of $k$ this is unbounded. – 2012-05-07