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  1. trecex1

    Prelim eng feels like a waste of time

    yeah..not learning anything that's gonna be useful for yr12. School currently setting assessments not even remotely related to hsc. Also I feel like essays structures for hsc modules are completely different to writing about random themes + half the work is going to be perfecting essays then...
  2. trecex1

    NSG vs HGHS vs SGGHS

    Nah the st george girls jersey looks way better than the brown of sghs. And then there is the ubiquitous green ruse 16. Should be an easy decision.
  3. trecex1

    Inverse trig integration

    you can just split that up into 2 integrals and you'll get atanx + 1/2 ln(1+x^2) + c
  4. trecex1

    Inverse trig integration

    factorise 18 outside root , rearrange the rest to complete the square and you get a standard asin integral.
  5. trecex1

    Quick Permutations Question

    Ok this is what i got: set the one particular writer then, 3P2 (rearranging the 2 artists in the 3 seats not next to the writer) x 3P3 (rearranging remaining 3 artists in the remaining 3 seats) x 4! (rearranging the remaining 4 writers) = 864 edit: these possible seats are from drawing out the...
  6. trecex1

    Quick Permutations Question

    Sorry minus that from 9! (total ways)
  7. trecex1

    Quick Permutations Question

    If they are either side of the particular writer - put those 3 as a group, you have 8 groups in total. 2! ways to arrange the two artists. In a circle = (8-1)! x 2! And minus that from 9!
  8. trecex1

    2016ers Chit-Chat Thread

    Personally I found the water topic in m/m a lot easier than all the PoM stuff. All the cell/isotopes/biomass needs a lot of practising, and of course there's the biopolymer (hoping they don't ask it this year). But yeah, naming hydrocarbons in both PoM and m/m are free marks.
  9. trecex1

    2016ers Chit-Chat Thread

    Usually about 30-40
  10. trecex1

    2016ers Chit-Chat Thread

    Received my trial results; Chem - 1st (95%) 2u math- 1st (100%) 3u math- 2nd (94%) :( Chem went pretty well. Too bad 2U won't count to my atar since I'm picking up 4u for next year . 3U = sadness reeeaallyyy needed 1st to try to secure rank 1 in internals, how much is being 2nd going to...
  11. trecex1

    Prelim 2016 Maths Help Thread

    Q80i) just use -b/a and c/a ii) Make a monic quadratic in form x^2 -(3α+3β) +9αβ (use part i)) Q81, use sum of roots equate them to 0. These are pretty intuitive quadratic function questions to be honest.
  12. trecex1

    Textbooks

    I only use cambridge for initial understanding of the topics - the extension questions are sometimes out of the syllabus but are worth doing. Don't rely on it for exam questions though - start doing other school trial papers for more difficult/exam style questions. MIF is basically just...
  13. trecex1

    Writing Speed in Exams

    From what I heard, top responses are 1200+ words for advanced paper 1. Paper 2 is probably around 1400 words or so per essay, they have the responses memorised though, so it is possible if you are not wasting time thinking.
  14. trecex1

    Year 10 hsc subjects!!!!

    Subjects don't matter as much as how well you can do overall . No subjects are 'necessary' but the minimum atar for med is very high -e.g usyd med is 99.95 for an interview, most who get into unsw med get 99.5+. So if you can pull mid-high 90's individually in your current subjects then it is...
  15. trecex1

    When does trials start at your school?

    Last week and this week. School rank around 30-40.
  16. trecex1

    To the students from top ranking schools... Everyone is welcome though

    to be honest, going to a 'top school' -if you mean ranked top 20 won't guarantee you do well. Even at schools like ruse there are people who don't do as well as you expect going to the top school would. A strong cohort might motivate you to work harder to compete with other people, but just...
  17. trecex1

    2016ers Chit-Chat Thread

    1st week of trials over, not feeling great. Questions were not even hard, but thinking about it now I should added extra little things + reasoning - not sure how tough markers will be. Doesn't matter right now due to weak cohort, but really worried about if I'll underperform in externals due to...
  18. trecex1

    projectile question

    Oh i see, thanks Integrand, would not have thought of this in an exam lol.
  19. trecex1

    projectile question

    Ok, not sure if solution is basically your method or not, they just moved everything in i) to one side assumed any point (x,y) with 2 solutions then showed product of roots was >1, next step was one of the roots had to be greater than 1. So angle had to be greater than pi/4 for 2 solutions...
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