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  1. L

    General Thoughts: Mathematics Extension 1

    Found it pretty easy, but I lost 1 mark to a stupid mistake >.< I feel as if everyone who state ranks this year will get 100%
  2. L

    Carrotsticks' Solutions 2015 Extension 2 HSC

    Hey man thanks for doing this :) One thing though, question 12 a) iii) asks for z^2-z(conjugate), not z^2-(z(conjugate))^2 (Also sorry for the formatting.) Edit: Looks like someone else beat me to spotting it ^^
  3. L

    Please estimate my atar :)

    School rank: 8 Mathematics Extension 2: 1/20 Mathematics Extension 1: 1/48 Physics: 3/45 Chemistry: 2/74 English Advanced: 119/138
  4. L

    General Thoughts: Mathematics

    For the simplest exact value, I'm pretty sure it's correct as long as the numerator and denominator can't cancel out anymore, i.e. factorisation of the numerator isn't required.
  5. L

    General Thoughts: Mathematics

    How would you factorise it fully?
  6. L

    General Thoughts: Mathematics

    x=60/(24+5pi) y=(60-10pi)/(24+5pi)
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