Question

double integral

Answer 1

\[\huge{\int\limits_{0}^{\infty}\int\limits_{0}^{\infty}\frac{1}{y}e^{-\frac{x}{y}}e^{-y}dxdy}\]

Answer 2

nevermind got it:) thnx viewers

Answer 3

That's 1, right?

Answer 4

yess:D

Answer 5

Yeah, it took some time for me to realize that the y would simplify after the first anti derivative, haha.

Answer 6

lol me too thts why i asked here -.-