I am trying to integrate the following problem with limit +D and -D
Now intuition tells me to treat it like
Here is where I'm going wrong - the way I'm integrating gives me
But if I differentiate that I get
So have randomly created a factor of
. Therefore I'm doing something wrong but I can't seem to get a rule to fit the situation.
Differentiating
Returns me to the original problem
But that would imply that the basic integral is divided by
despite the fact that for all intents and purposes
is a constant.
Can anyone explain, as I think I've horribly confused myself about something not that complex?