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  1. O

    How would you go about to attack this question???

    can't that be the reason why they don't help you?
  2. O

    opinions on this

    yeah. there is a big correlation because rich girls use money as their cosmetics. that's why they appear so attractive.
  3. O

    A addictive flash game, relax game 4 U

    114 squares 11414 'll try harder nxt time.
  4. O

    Mathematics Marathon

    uh...
  5. O

    Mathematics Marathon

    Yes. From there, you can work out what the integral of sec^2(x) is (i.e. tan(x) + c)
  7. O

    Extension One Revising Game

    1. 7!/3!4! = 35 2. don't understand the question. Elaborate on it please. Wait, I think I understand what you intended in your question...bear with me for a while. I will post my solution. 7 marbles 1 B marbles + 4 Y marbles = 5!/1!4! 2 B marbles + 3 Y marbles = 5!/2!3! 3 B marbles...
  8. O

    Mathematics Marathon

    Ok, then. I will make it easier for you to do it. Differentiate tan x. HENCE work the question that I posted above. It will be easy as hell.
  9. O

    Mathematics Marathon

    1. tan^2(A) (1- sin^2(A)) = tan^2(A)(cos^2(A)) = sin^2(A) 2. 4tan^2(A)(1-sin^2(A)) = 1 4sin^2(A) = 1 sin^2(A) = 1/4 sin (A) = +_1/2 A = pi/6, 5pi/6, 7pi/6 or 11pi/12 (which are 30 degrees, 150 degrees, 210 degrees and 330 degrees) My question: find the derivative of sec^2(x)
  10. O

    Mathematics Marathon

    Yes. Your working out is correct from my point of view.
  11. O

    Mathematics Marathon

    f''(x) means second derivative. Just differentiate it again.
  13. O

    preliminary extension failure topic.

    Don't worry, consider it a fresh start.
  14. O

    preliminary extension failure topic.

    Let's not get too harsh towards a little kid. My cohort failed miserably in the 2008 CSSA Mathematics Extension 1 Trials. The bottom mark was 2x % in comparison to the top mark of 92%.
  15. O

    Penis Size... does it matter?

    No, it doesn't really matter. A random girl wouldn't just walk up to you and measure your penis' size to determine wheter you are a right one to date with or not.
  16. O

    Predict My UAI? =]

    At least 98+
  17. O

    How much do u guys spend on tutoring & college ?

    I spend $0. I actually get money sometimes from tutoring kids.
  19. O

    Tips/Tricks for the HSC Extension One Paper

    Don't bother looking for Q8, 9 and 10
  20. O

    You Can Escape a black hole!!

    No, I can't. I am not fast enough.
  21. O

    Macquarie University Merit Scholar Scholarship

    Thanks!!! I really appreciate it.
  22. O

    Macquarie University Merit Scholar Scholarship

    Thanks for the reply. But coming back to my original question: would it be logical to write that I did this and that without submitting an actual documentation that says that I did?
  23. O

    Macquarie University Merit Scholar Scholarship

    I am quite confident that I would receive higher than 98.5 UAI. I have written my post considering that assumption. So academic achievements would be overlooked if you have average personal characteristics? Then, what about the documentation issue? Thanks by the way.
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