10/10/23
Differential Equations Second Order Help
An undampened spring-mass system with external driving force is modeled with x"+25x = 4 cos 5t. The parameters of this equation are "tuned" so that the frequency of the driving force equals the...
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06/10/23
Calculus subspace
Let L be spanned by 2,-5,-1,2 Find a basis of the orthogonal complement L⊥ of L.
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