# Question: hi i am just going over some of the maths...

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Hi, I am just going over some of the maths work that I have done recently and I have some questions on various topics. The ones I'm posting underneath is a part of geometry which is a weak point for me, any help would be appreciated. Thank you.

Note TMU requirements, just means what's required for this unit that I am studying. Which specifically, I think, is the: vertex, focal length, focus and directrix.