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  1. RealiseNothing

    Semester 1 USYD Chatter Thread

    Definitely no scaling. LOL FUCK
  2. RealiseNothing

    Semester 1 USYD Chatter Thread

    Nah must be because you are down the bottom of the alphabet. Mine are out too.
  3. RealiseNothing

    HSC 2015 MX1 Marathon (archive)

    Re: HSC 2015 3U Marathon If I said solve for x: x=x-(\ln(2))A What would you do?
  4. RealiseNothing

    Semester 1 USYD Chatter Thread

    The nerves are kicking in...
  5. RealiseNothing

    HSC 2015 MX2 Marathon ADVANCED (archive)

    Re: HSC 2015 4U Marathon - Advanced Level Just saw this. Take any cube mod 10 and you get 0,1,8,7,6,5,4,3,2,9... as your cycle. From here it is obvious that the equation can't have an integer solution.
  6. RealiseNothing

    HSC 2015 MX1 Marathon (archive)

    Re: HSC 2015 3U Marathon My answer is fine.
  7. RealiseNothing

    HSC 2015 MX1 Marathon (archive)

    Re: HSC 2015 3U Marathon Take an arbitrary element and don't choose it. The you get nPk of choosing rest. Now choose that arbitrary element, you get latter term.
  8. RealiseNothing

    HSC 2015 MX2 Marathon (archive)

    Re: HSC 2015 4U Marathon You're pretty close though.
  9. RealiseNothing

    HSC 2015 MX2 Marathon (archive)

    Re: HSC 2015 4U Marathon How does that show the result?
  10. RealiseNothing

    HSC 2015 MX2 Marathon (archive)

    Re: HSC 2015 4U Marathon 0 is a complex number.
  11. RealiseNothing

    Semester 1 USYD Chatter Thread

    Ehh I have a rough idea what I got but I'm scared of being disappointed and over-confident.
  12. RealiseNothing

    HSC 2015 MX2 Marathon ADVANCED (archive)

    Re: HSC 2015 4U Marathon - Advanced Level Wait this might actually work. My brain is a bit shut off after exams though, gonna go through my solution and try clarify/debunk it.
  13. RealiseNothing

    Semester 1 USYD Chatter Thread

    What do you think you got /60 in the final? Also I'm pretty sure I know who you are now.
  14. RealiseNothing

    HSC 2015 MX2 Marathon ADVANCED (archive)

    Re: HSC 2015 4U Marathon - Advanced Level For example, if we choose an arbitrary subset of size 5 from 9 elements, then it has 126 possible combinations mod 5. Since there are 126 possible subsets, then if each subset were unique we'd be done. Though I'm fairly sure they aren't unique :(...
  15. RealiseNothing

    HSC 2015 MX2 Marathon ADVANCED (archive)

    Re: HSC 2015 4U Marathon - Advanced Level My exact thoughts. Something to do with the fact that a_1+...+a_5=a has 126 solutions for a \in {0,1,2,3,4}. Compared to \binom{9}{5}=126 which is the amount of subsets size 5 of a 9 element set. This was my first thought, not sure if it would...
  16. RealiseNothing

    Hardest hsc 3U topics

    You'll never see the financial stuff in the 3U HSC. Also I don't get what everyone finds so hard about perms and combs. There are much harder topics imo.
  17. RealiseNothing

    WAM Prediction Thread

    USYD science do 5 subjects first year each sem.
  18. RealiseNothing

    Semester 1 USYD Chatter Thread

    Haha meanwhile I turn 20 on Sunday and am going away somewhere on Tuesday until Saturday(it's a surprise location for my bday). :p
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