Evaluate the Fourier transform at = 12 for the time function (a) 4u(t) 10(t); (b) 5e8t
Chapter 18, Problem 18.12(choose chapter or problem)
Evaluate the Fourier transform at \(\omega = 12\) for the time function (a) \(4u(t) − 10 \delta (t)\); (b) \(5e^{−8t} u(t)\); (c) \(4\ cos\ 8tu(t)\); (d ) \(−4\ sgn(t)\).
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