# Fourier transform of 1/r

1. Sep 24, 2011

### krishna mohan

Hi..

What is the Fourier transform of 1/r?
Is it proportional to 1/(k^2) ?

How do you prove this?

2. Sep 24, 2011

### CompuChip

Do you mean this formula (which I found by Googling for "Fourier transform 1/r")?

3. Sep 26, 2011

### krishna mohan

I had found this....I wanted the 3D fourier transform...not the 2D one...