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  1. aDimitri

    E4 raw mark??

    the year before it was 54. by your logic that's impossible
  2. aDimitri

    mreditor's answers...

    Re: hmmm. if i lose a mark for not writing the unit on this i will be flipping tables
  3. aDimitri

    General Thoughts: Mathematics Extension 1

    you made a silly mistake in 12c
  4. aDimitri

    E4 raw mark??

    tbh 51/70 the lack of hard binomial will bring it up
  5. aDimitri

    General Thoughts: Mathematics Extension 2

    well it would depend on how the others go, but 72-76 is definitely a 92+ for external
  6. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    look i understand this but personally my atar requirement isn't an issue in the slightest and i couldn't care less about maximizing my atar, if i did i would have at least prepared a related text for english. i care more about doing well in the subjects i enjoy the most, which happens to be 4U...
  7. aDimitri

    Predict Your Raw Mark

    yes ikr
  8. aDimitri

    Predict Your Raw Mark

    hoping for a 98 now
  9. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    just checking the soln's in q16bi had a (-1)^n on the numerator of the GP after summed
  10. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    the simplicity for his circle geo solution turned me on a little bit
  11. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    nah, this would give > 1 rather than < 1, i think this is the problem carrot is having
  12. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    YEAH JUST REALISED wtf i didn't even do that in the exam idk where that just came from
  13. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    wtf major derp then editing now cbf editing others have posted now
  14. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    this happened to me for a while. in the end i used a totally different method. since a<c, a^2 < c^2 therefore 5a^2 + 3b^2 + c^2 < 3a^2 + 3b^2 + 3c^2 < 3((a+b+c)^2 - 2(ab+bc+ca) < 3(a+b+c)^2 (since a, b, c > 0) < 3 < 1 is this valid?
  15. aDimitri

    E4 cut off?

    63-65
  16. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    14bii. found the value of theta for which Fi was minimum not maximum. 0/2
  17. aDimitri

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    don't think i really need them now, just curious about his soln. to circle geo. i'm down to 94/100 :/ so many silly mistakes. and a 2 mark reading error
  18. aDimitri

    Predict Your Raw Mark

    can i change my prediction to 90-95 i just found another mistake. i'm pretty sure i got 94 now i've finished checking
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