Question

@ganeshie8

Answer 1

Show that \[\large \int\limits_{- \infty}^{\infty} \int\limits_{- \infty}^{\infty} \int\limits_{-\infty}^{\infty} \sqrt{x^2+y^2+z^2}e^{-(x^2+y^2+z^2)}dxdydz = 2 \pi\]

Answer 2

@Jhannybean

Answer 3

ew, functions of e?

Answer 4

I have a feeling dan's using spherical?