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  1. Trebla

    Is 4 unit maths getting easier ?

    So it can be somewhat of a good thing that they're thinking of bringing some topics out of first year uni back into high school.
  2. Trebla

    Is 4 unit maths getting easier ?

    Tbf some of the topic proposals for the new syllabus cover topics currently taught in first year maths at uni.
  3. Trebla

    Is 4 unit maths getting easier ?

    Senior Science bro
  4. Trebla

    Mathematics 2 Unit BoS Trial 2015 Results/Documents

    Keep in mind some questions may look easy on the surface...
  5. Trebla

    Mathematics 2 Unit BoS Trial 2015 Results/Documents

    In the first year we had a 2U paper back in 2013, it was held at a different time to Ext2 so it was attempted by some in the Ext2 cohort. However, since then it has been attempted by smaller cohort which I think actually only do 2U or Ext1. No one got over 50% in last year's paper.
  6. Trebla

    Mathematics 2 Unit BoS Trial 2015 Results/Documents

    Hi all Please find below the student numbers and the marks that each student received, as well as selected statistics for this year's Mathematics 2 Unit BoS Trials. ****************************** Link to the 2 unit documents...
  7. Trebla

    Official BOS Trial 2015 Thread

    A note of advice to HSC students. For the love of god please put different questions in SEPARATE booklets as instructed. Always start a new question in a new booklet as instructed. There is a very good reason for this. Questions in the HSC are marked by different marker groups so if you put a...
  8. Trebla

    HSC 2015 Maths Marathon (archive)

    HSC 2015 2U Marathon You can have multivariate optimisations provided that there are enough constraint conditions that can convert it into a univariate optimisation.
  9. Trebla

    AM-GM inequality

    Read the syllabus document. General rule of thumb is if the formula isn't there then you cannot quote it.
  10. Trebla

    Official BOS Trial 2015 Thread

    Yep I marked one question in the MC. It will now need to circulate 9 more times to different markers.
  11. Trebla

    Official BOS Trial 2015 Thread

    Just finished marking a question...
  12. Trebla

    Official BOS Trial 2015 Thread

    Next Wednesday ;)
  13. Trebla

    Official BOS Trial 2015 Thread

    Do you guys care more about the result or the solutions to the paper?
  14. Trebla

    Post pics of your pens thread

    The title of this thread could have read in a very different way lol
  15. Trebla

    Official BOS Trial 2015 Thread

    Depends whether it is considered an axiom or not. At least in most contexts it is treated like an axiom though that may be different in other contexts (looking at the purists for examples).
  16. Trebla

    Official BOS Trial 2015 Thread

    Did I even meet you? lol I don't remember who I met.
  17. Trebla

    Official BOS Trial 2015 Thread

    The Ext1 or Ext2 induction qn?
  18. Trebla

    Official BOS Trial 2015 Thread

    Carrot wrote that question
  19. Trebla

    Official BOS Trial 2015 Thread

    For the graphs question, you're meant to work out the behaviour of the graph as x approaches 0 in a similar way to how you should've worked out the behaviour as x approaches infinity, which is by separating out the x and y in the equation. Once you've done that use the fact that it has a...
  20. Trebla

    Official BOS Trial 2015 Thread

    As a trap, I would've thought some people correctly read that as PQ is represented by a+ib and then just obtain the result by multiplication of i as their answer without considering the complex number represented by P.
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