Give this one a go if you're so inclined. A clever sub will do it.
Follow Math Help Forum on Facebook and Google+
Originally Posted by galactus Give this one a go if you're so inclined. A clever sub will do it. I thought I had seen this before...and I searched, and was correct! I remember working on this to no avail...plus, it turned out to be beyond the scope of what I knew anyway... >_> --Chris
Here.
Here's another way. An alternative sub is to let Then, we get: Then, in the inner integral, let t=uw to get the product of two known integrals. And you should get:
View Tag Cloud