Your problem title says about L'Hospital's rule which needs differentiation, and then you need to know how to differentiate. If you are stuck with the constants (ie. the [i]a[/a]'s), note that
Really no idea where to start with this. I think what's throwing me off is the a's. I know that they are constants but having a bit of trouble figuring out how to deal with them.
I can get this far.. and I'm not even sure if it's right or not.