- #1
exitwound
- 292
- 1
This is part of double integral. I just can't seem to figure out what I'm doing wrong.
The inner integral comes out to be:
[tex]\int_0^\infty{e^{-xy}dy}[/tex]
I emailed my teacher to help me through it, and he says this should integrate down to 1/X but I can't seem to figure out how. I'm no good with exponentials and differentiation/integration.
The antiderivative of [itex]e^{-xy}[/itex] is [itex]-xe^{-xy}[/itex] correct?
The inner integral comes out to be:
[tex]\int_0^\infty{e^{-xy}dy}[/tex]
I emailed my teacher to help me through it, and he says this should integrate down to 1/X but I can't seem to figure out how. I'm no good with exponentials and differentiation/integration.
The antiderivative of [itex]e^{-xy}[/itex] is [itex]-xe^{-xy}[/itex] correct?