I am quite new here, and was wondering if anybody knows how this 2D integral is evaluated.
$ \int_{-\infty}^\infty \int_{-\infty}^\infty \delta(k_1 x-k_2y)\,dx\,dy$
Any help is greatly appreciated! Thanks!!!
2026-03-29 03:28:18.1774754898
integration in 2D over delta function with 2 variables
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