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  1. Affinity

    Is it possible to do well if Maths Extension 2 without a tutor?

    Lies. The whole point is to go through the stress so one actually starts thinking
  2. Affinity

    Do you learn...

    Re: 回复: Re: Do you learn... Till you realise it's jsut defined and caluclated the obvious way.
  3. Affinity

    Is it possible to do well if Maths Extension 2 without a tutor?

    Depends on ones attitude and intelligence.
  4. Affinity

    complex numbers question

    in general if you get arg(EXPR) = theta you can proceed with the equivalent condition EXPR = r*(cos(theta) + isin(theta)) for some positive r.
  5. Affinity

    complex numbers question

    next line: 1-2/z = ki for some positive real k. z = 2/(1+ki) z = (2-2ki)/(1+k^2) so x = 2/(1+k^2) y = -2k/(1+k^2) k>0 you get something along the lines of x^2 + y^2 = 2x or (x-1)^2 + y^2 = 1 but y<0 ===> the bottom half.
  6. Affinity

    Why major in Mathematics?

    Thats' a non answer. Don't toss BS saying that every uni is just as good for everything. For unis around here ANU is pretty well rounded and good. UNSW is strong in analysis and weaker in algebra Usyd is strong in algebra but weaker in analysis UTS/MQ/UWS doesn't offer enough maths subjects...
  7. Affinity

    Why major in Mathematics?

    There are some real mathematics in that book though.. not much about sex per se.. but more about evolution theory/strategy Defected from UNSW to Usyd.. has a rehashed version of optimal selection strategy assuming you examine things in order and the stable pairing theorem from graph theory...
  8. Affinity

    UAI95+ with 10units?

    I think you mean 99.95. anyway... can you provide a reference
  9. Affinity

    Why major in Mathematics?

    failed attempt at marketing maths. You need to highlight the relationship between mathematics and: $$$,sexiness and coolness
  10. Affinity

    How do ranks work???

    Thats not entirely true... read this: http://www.boredofstudies.org/wiki/index.php?title=UAI:Moderating assuming the person tight above you got 80 and the person below you got 30, there will be a huge difference between coming 60th with 79% and coming 60th with 31% Everything should make...
  11. Affinity

    14 weeks to 12 weeks, why?

    A few idiots believed that a campus in singapore would be just as attractive to students from SE asia as the campus in kensington, when fees there are higher. They thought UNSW is popular because it's offering and "australian degree" not realising (or being in denial of) people's true...
  12. Affinity

    who else cant

    The trick is to have the right mindset. If you approach those questions thinking of how to recall solutions then you won't get too far, it might help if you imagined yourself doing a paper from say the GCE A-levels or something with a similar standard, but slightly different syllabus . You...
  13. Affinity

    Inequalities.

    think you mean q>p^2 else p=0.5 q = 0.3 works.
  14. Affinity

    Real Numbers

    e
  15. Affinity

    [actuary] -

    Do ancient history... and if you can do history extension. business studies and economics are useless if you plan to do commerce related things at university
  16. Affinity

    Basic Graphs query

    it's how they implemented it.. the program doesn't thinkof 1/3 as 1/3 exactly but as float close to 0.33333333333 then the POWER function in programs would return complex numbers(or it may be underfined).. so you don't get that part of the graph.. better programs take this into consideration
  17. Affinity

    Subjects- 13 units??

    just do 13... I did 13 was perfectly fine...
  18. Affinity

    MQ: "Easy to get in, hard to get out" ??

    TRANSLATION: you people are too lazy... get your arses working
  19. Affinity

    ntegrating w/ abs value??

    up to a point.
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