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  1. IR

    General Thoughts: Mathematics Extension 2

    Wat about 88 raw?->>>> scaled?
  2. IR

    Module C: Caesar Discussion

    English in itself was the biggest surprise to humanity.
  3. IR

    I know someone who got busted for cheating in the hsc

    Ye they keep internal as far as I am aware. They get zero for hsc
  4. IR

    HELP with INDUSTRIAL CHEMISTRY OPTION :)

    Whats Q?
  5. IR

    General Thoughts: Mathematics Extension 2

    You can't change it man so why check. But if you want to be even more sad such that it will affect your next exams, I still recommend that you don't check now. I was pretty lost for atleast 4 hrs after I checked solutions and found careless mistakes. And if you still want the paper, its on page 8
  6. IR

    General Thoughts: Mathematics Extension 2

    Yes man. you can even lose a mark if you write t instead of tan (theta/2). but it was definite so we are lucky.
  7. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    fkn hell. I got my inequality wrong :((((((((( 89 AT MAX :*(
  8. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    Yeh i am stupid. Cos I didn't see the limits before and hence crossed out the right answer like yours and wrote the wrong solution.[emoji20]
  9. IR

    General Thoughts: Mathematics Extension 2

    Can someone please tell me if I can for the conical pendulum question differentiate the equivalent velocity equation from i) of the sin(phi)/cos^2(pi) to prove that v> 0 for x>0 where x>0 holds true for the cos(x) being even and >_0 for the given limits?
  10. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    Exactly why. 4U is my life. If I dont get the equivalent reward for my effort, then what good is an effort.
  11. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    Thanks man. Before exam I was aiming for 98 raw but after was aiming for 98 scaled and now I see that got 5/10 for multiple choice due to mistakes in seeing the option correctly and was my major downfall. Almost 10 marks of careless. Math is my life and feels like I lost it.
  12. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    I made concave down but not smooth. I made an open circle and broke off more towards negative infinity.
  13. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    I feel extremely depressed. My dreams of 98 aligned/scaled were shattered despite my hard work since the last term of Year 11, where I have given 10x the time for four unit then other subjects. What do you guys reckon does a raw 88-90 scale/align to :(
  14. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    BTW carrot for 15c) iii) where you have to show increasing function is it valid to show in equivalent of sin theta/cos^2theta in terms of v, where derivative of both sides in respect to v gives 2lg/v^3, where v>0 for v>0 considering cos theta is even function which is >0 for -pi/2<theta<pi/2
  15. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    Shit. My bad carrot. I see so 5/10 multiple choice wrong.
  16. IR

    General Thoughts: Mathematics Extension 2

    It gives you in the paper
  17. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    BTW WHY IS MULTIPLE CHOICE 6d)?? Am I missing something?
  18. IR

    Predict Your Raw Mark

    Bahahah, I lost 5 marks in multiple choice alone bcause rushing
  19. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    I did it just incase a parabolic asymptote. Cos how would you otherwise show the curve then:?>
  20. IR

    2014 HSC Extension 2 Maths Carrotsticks' Solutions

    yes probably. How do you think now you went? /100. Just realised I got 5/10 wrong for multiple choice. And wait isnt 6) a? Now I guess with the worst case scenario probably 87/100. Best case: around 91/100
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