>>10494455>>10494683Well, isn't a number, so isn't a number either. They're undefined.
Despite this, can still be used to describe the behavior of numbers, so it's not wrong to use it in a limit. (That said, if you see outside the context of a limit, you can safely disregard the equation as invalid.)
So let's take a look at some limits of the form !
So, you see, can mean anything. We call these expressions "indeterminate forms" when they show up in a limit (again, if they're not in a limit, they're just undefined).
Other such indeterminate forms include:
You can turn any indeterminate form into another, by the way.