Question

If the Fourier cosine transform of f(x) is \alpha^ne^{-a\alpha} , then show that

f(x) = \frac{2}{\pi}\frac{n!cos(n+1)\theta)}{(a^2+x^2)^{\frac{n+1}{2}}}

15 Feb 2024
Answer :
Word Count : 247

To prove the given relationship, let's start with the definition of the Fourier cosine transform and use the expression given:

Given that the Fourier cosine transform of \( f(x) \) is \( \alpha^n e^{-a\alpha} \), we can write it as:

\[ F_c[f(x)] = \alpha^n e^{-a\alpha} \]

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