Yes, of course that simplifies. There is a general formula that . In particular
Had an exam recently and I've got a nagging feeling about a particular question.
Find and simplify your answer.
So that results in
Which simplifies to
Is there any further simplification we can do? I can't see anything but I have this nagging feeling I'm missing something. Possibly further factorisation taking place considering 1 is also etc leading to some cancelling out.
Did I miss anything?
Bother, knew I missed something.
I originally had it as
But realised I wasn't correct because it was never squared, it was so I scribbled it out and didn't spot the other way.