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  1. C

    Ellipse - PLEASE HELP!!!

    I'll post my solution tomorrow. It's way too late for that now...
  2. C

    Ellipse - PLEASE HELP!!!

    Use similiar triangles to make it less messy.
  3. C

    Relationship between roots and co-efficients

    I'm quite sure that this is Ext 2 stuff...
  4. C

    Expanding cubic brackets

    Yeah I think my 3U teacher taught me that method in Year 11 or something about expansions. (Trebla's method) I had forgotten about that. Thanks for reminding me :cool:
  5. C

    would we be penalised for...???

    I always used to write in the form z=cosθ+isinθ when it asked for mod-arg form. But I'd imagine that writing in the form z=cisθ would also be acceptable.
  7. C

    How to maximise your maths examination marks: Tips from the HSC Examiners

    For 16 ii) is equal to and is equal to You should really qualify that a, \ b \ge 0 OR write that \sqrt{a^2b^2}=|ab| \text{ and } \sqrt{(a+b)^2} = |a+b|
  8. C

    Make notes as you go or not?

    Well the benefits of having a good teacher is that he/she gives you good notes. For instance, my 3U teacher gave me awesome notes from his 30 or so years of teaching. He has a massive book which is has compiled over the 30 years. He said that he adds anything to them whenever he sees any...
  9. C

    Experienced Tutor/ UAI 99.95/ Sydney Grammar School/ UNSW Medicine

    Why? Don't you offer tutoring?
  10. C

    chem assign experiment help !!

    Viscosity, cohesion and/or adhesion?
  11. C

    I didn't pay attention in my maths bridging course

    Actually I didn't. I made it up :) :uhoh: Hmm... you're right ... (where P(I'm still doing the HSC) = 0) :idea: EDIT: Her profile says that she finishes her HSC in 2010... so what are you on? :S
  13. C

    Crappy maths textbook?

    Coroneos is good, but you need to make your own notes using it to make stuff concise for referencing. Good thing is that my teacher did that for us in Ext 1 (and for Mechanics of Ext 2 because my Ext 2 teacher left 4 weeks before the end of the term).
  14. C

    I didn't pay attention in my maths bridging course

    Why don't you come back when you can solve |x - 1| = -5.
  15. C

    I didn't pay attention in my maths bridging course

    Um, these are really basic questions. So basic that they're probably aren't even asked in Question 1 of the HSC paper... If you can't do these then what hopes do you have in harder applications, which I'd presume that you'd need in uni... You should get working lol.
  16. C

    Needs a Maths Private Tutor ~ from Year 7-12

    Orly? Then solve |x - 1| = -5.
  17. C

    Angel - Maths tutoring GM/2U/3U/4U‏

    Apparently not. You know that you repeat your HSC 4 times consecutively...
  19. C

    Critical Pts

    Well no, because the second derivative would not be undefined or zero, as per the definition Trebla provided. It simply would not exist.
  20. C

    Paranoid Polynomial Problem

    Yeah, my way would be the 3U approach.
  21. C

    Hey, where did u get the question you posted on...

    Hey, where did u get the question you posted on http://community.boredofstudies.org/13/mathematics-extension-1/239068/paranoid-polynomial-problem.html from?
  22. C

    Critical Pts

    x=0 or y=0 Of course not because it's an asymptote.
  23. C

    where did u get those prob questions from?

    where did u get those prob questions from?
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