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  1. harrowed2

    2011 trial uploads!!!

    +1
  2. harrowed2

    2011 trial uploads!!!

    Re: James ruse 2011 trial papers? Thanks !
  3. harrowed2

    2011 trial uploads!!!

    Re: James ruse 2011 trial papers? Yes please!
  4. harrowed2

    Quick easy question -- quick way of integrating 9-x^2

    9x-(x^3)/3+c
  5. harrowed2

    Catholic Trials

    Yes please.
  7. harrowed2

    Cssa mx2

    I cant make this link work! Is it just my computer?
  8. harrowed2

    Opinions on hardest past papers

    Here is a copy of the 1988 Mathematics (2U) HSC paper. I didn't think it was hard though.
  9. harrowed2

    2010 general math exam papers

    Here it is. Enjoy!?
  10. harrowed2

    Neap trials 1999-2009 MX1

    This site asks for a password. Is there another way to access the papers?
  11. harrowed2

    Couple of preliminary extension 1 questions.

    The answer is negative. \frac{ax-bx+ay-by}{2bx-2ay+2by-2ax}=\frac{ax-bx+ay-by}{-2(ax-bx+ay-by)}=\frac{-1}{\: 2}
  13. harrowed2

    Please help me to solve this?

    interest=$2563.75\times \frac{18}{100}\times \frac{1}{12}
  14. harrowed2

    Maths Riddle

    I did this 2+4x6+8=34 then 4+6x8+34=86 Could this be right?
  15. harrowed2

    Maths Riddle

    86
  16. harrowed2

    Questions from Coroneos' 100 integrals

    Thanks Drongoski. I had not read that post before.
  17. harrowed2

    Questions from Coroneos' 100 integrals

    Still a little unsure. Can inverse tanx equal pi/2 if the range of inverse tan x is (-pi/2 , pi/2) ?
  19. harrowed2

    Questions from Coroneos' 100 integrals

    That looks great!! Thanks
  20. harrowed2

    Questions from Coroneos' 100 integrals

    But how do you sub tan pi/2 ?
  21. harrowed2

    Questions from Coroneos' 100 integrals

    Q78 \int_{0}^{\frac{\pi }{2}}\frac{dx}{cos^{2}x+2sin^{2}x}
  22. harrowed2

    Questions from Coroneos' 100 integrals

    Having trouble with Q78
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