Fourier Cosine Transform
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The problem is from Fourier Cosine and Sine Transforms, and Passage from Fourier Integral to Laplace Transform:
Solve using a cosine or sine transform.
u'' - 9u =50e^-3x (0<x<infinty)
u'(0) = 0, u(infinity)bounded
https://brainmass.com/math/fourier-analysis/fourier-cosine-transform-44449
Solution Summary
Fourier cosine transforms are investigated.
$2.49