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Mathematics 23 Online
OpenStudy (jlastino):

Am I doing this fourier transform right? Let's say I have a function\[f1(t)=e ^{-5t}u(t)\] Based from the transform pair table its fourier transform should be \[\frac{ 1 }{ 5+jw }\] What if I solved for the fourier transform of \[f1(t)e^{j5t}\] The properties of fourier transform say that this is called "multiplied by a complex exponential" and its transform is \[X(w-w_{0})\] So what i did is i got the fourier transform of f1 and just changed the value of w to w-w0 where w0 is equal to 5 It would look like \[\frac{ 1 }{ 5+j(w-5) }]\ Is this correct? or am I missing something?

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