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  1. C

    Had a maths problem in my final Year 11 Exam (2 unit)

    What school do you go to?
  2. C

    argand diagram question

    The part of the 1st quadrant only inside and on the circle center (1,1), which goes through O. sqrt(2) + sqrt(2) + (Pi * sqrt(2))/2 = 2 sqrt(2) + (sqrt(2) * Pi) / 2 units I think... I did this in my head so I could be wrong...
  3. C

    Projectile motion along one dimension -- urgent help needed!

    Well, in ACTL2001, I believe you learn and must be able to code the R programming language... I don't know much about other subjects but I wouldn't be surprised if there were more computing requirements.
  4. C

    Projectile motion along one dimension -- urgent help needed!

    Not having a go at you or anything, but you know actuary is really difficult right? If you can't do engineering then you'll probably find actuary maths really difficult as well... Just my $0.02. And don't even get me started on the fact that doing actuary in university is really only doing 40%...
  5. C

    Tutoring for Physics and Maths

    Dear all, I'm currently studying B Advanced Mathematics/Arts at UNSW (majoring in Pure Mathematics for the Mathematics component) I don't usually advertise for tutoring but I've had a large number of requests for tutoring personally over the past few weeks (from students wanting to do well in...
  7. C

    How to simplify tan^-1 (a) - tan^-1 (b)???

    = arctan(a-b)/(1+ab)
  8. C

    HSC Mathematics Marathon

    i^2=-1 Wtf, this shiz just got real...
  9. C

    harder 3 Unit Inequalities question

    Where did you get this q from?
  10. C

    How'd you go in your MX2 trials?

    Just out of curiousity, what school are you from?
  11. C

    CSSA General Maths Exam

    Can someone please upload the trial with solns? I want to see the definition of General being hard :P
  13. C

    CSSA General Maths Exam

    Can someone please scan/upload it? I haven't seen this year's general CSSA paper. Note that the security date for the General paper has passed so there should be no dramas in doing so :)
  14. C

    Functions

    A function f is cts at a iff \lim_{x \to a^-}f(x)=\lim_{x \to a^+} f(x)=\lim_{x \to a}f(x)=f(a) Pretty straightforward using this definition... And btw this isn't MX2. It's 1st year uni stuff.
  15. C

    Quick questions --> conics/graphing

    It's the RHS half, because x>=0 (NB, y can still be < 0)
  16. C

    Asymptotes

    A horizontal asymptote, if it exists, is the value that the function approaches as x->+/- infinity. For small values of x it may not appear to approach this value.
  17. C

    Why do people think Mathematics Extension 2 is so hard?

    I think that was a terrible question. Because some students who were doing extracurricular maths in maths clubs etc had seen that question before and knew how to do it and therefore it was unfair on other students who had not seen that question before. Apparently it was written by someone at...
  19. C

    Volumes past paper Q

    Could then use double or triple integrals to find the volume :P
  20. C

    Why do people think Mathematics Extension 2 is so hard?

    Do Q8b of the 2003 hsc exam.
  21. C

    Inverse function question

    One value of x implying one value of y AND vice versa.
  22. C

    What pen to use? and what pens you use?

    How long does the ink last? And is it good for people who like to press hard? Oh and how much is replacement/refill ink?
  23. C

    Shadowdude's Raw Marks

    I know people who got Band 1's in MX2. God knows what they got RAW. I'd assume like 15/120...
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