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  1. Deem_Skills

    minimum value of a cubic??

    I doubt a question that requires that technique would appear in y11 because yes it's a year 12 topic. If I were you I'd make sure that there isnt any other way to solve the question and I'd go to it as a last resort otherwise it's probably not a good idea to use it unless the paper is for...
  2. Deem_Skills

    minimum value of a cubic??

    Ye use first derivative and let it equal 0 to get stationary points then get the double derivative and test those points to determine if it's concave up or down (if double derivative > 0 it's concave up and you have a minimum and if it's < 0 it's concave down and you have a maximum and if it's =...
  3. Deem_Skills

    Selective School interviews:

    apparently same with nbhs but i have a group of like 10 ppl who applied also so if one of them gets a call then i'll know (unless none of us get interviewed)
  4. Deem_Skills

    Selective School interviews:

    same with nbhs (still nothing)
  5. Deem_Skills

    When should we get to know the Outcome?

    english was decent, couldve been better. math was also alright but i know i lost at least 1 mark cause i wrote "<=" when the question asked for ranges "in between" two points so it shouldve just been "<"
  6. Deem_Skills

    When should we get to know the Outcome?

    IDK about hast but for normanhurst it's this week im guessing friday...
  7. Deem_Skills

    t formulae qn

    tan(A/2) isnt 4pi/3 because the range for A/2 is (0<=A/2<=pi) As for pi/3, isnt it already included? because if you multiple over by 2 you get A = 2pi/3 which is in the answer
  8. Deem_Skills

    UCAT study

    same
  9. Deem_Skills

    Year 11 Ext Math 1 Question

    a) P(x) = a(x+2)(x-2)(x+b)(x+c) not sure for b and c cause like d1zzy mentioned there isnt enough info to get a b and c (i think)
  10. Deem_Skills

    Like this post if you too hate english

    english is the bane of my existence
  11. Deem_Skills

    Recommended coaching centers on the central coast?

    it takes like 45 mins to get to hornsby by car maybe like an hour max im willing to travel?
  12. Deem_Skills

    Selective Entry Thread 2021 (Lockdown)

    not great tbh lol. my creative was terrible and i had to guess like 8 questions on reading comp. Other than those two it wasn't too bad. normanhurst was a lot easier.
  13. Deem_Skills

    Selective Entry Thread 2021 (Lockdown)

    2023 year 11 i was the only one from my school (gosford high) there if you recognise me
  14. Deem_Skills

    Selective Entry Thread 2021 (Lockdown)

    damn nice I had all my tests on Saturday and Sunday last week for normo and ruse. Is HAST hard?
  15. Deem_Skills

    Recommended coaching centers on the central coast?

    if anyone could answer that would be great :)
  16. Deem_Skills

    will it be extremely difficult to balance these subjects

    Really? If so i guess ill just drop software :)
  17. Deem_Skills

    will it be extremely difficult to balance these subjects

    idk im switching to 14 units too cause u need 6 subjects that's what my parents told me (not sure if they're correct or not). I'm doing 3U math and eng, phys, chem, eco and software, but i dont think it's a bad idea esp if you need the 6 subjects
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