Q4. Define Fourier Integral. Find the Fourier cosine integral represantation of the function Sk if 0k Sketch f(x) and its periodic extensions. Show the answer in details.

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Q4. Define Fourier Integral. Find the Fourier cosine integral represantation of the function
ſk if 0<x< k
f(x) = {0, if
x >k
Sketch f(x) and its periodic extensions. Show the answer in details.
Transcribed Image Text:Q4. Define Fourier Integral. Find the Fourier cosine integral represantation of the function ſk if 0<x< k f(x) = {0, if x >k Sketch f(x) and its periodic extensions. Show the answer in details.
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