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  1. rama_v

    Inverse function question

    Oops, typo fixed. Thanks, i got it now
  2. rama_v

    Inverse function question

    Hey guys Quick question from the 2002 HSC ext maths paper (7.a.iii) http://www.boardofstudies.nsw.edu.au/hsc_exams/hsc2002exams/pdf_doc/mathemat_ext1_02.pdf find an expression for y = f-1(x) in terms of x assuming that f(x) = ex + 1/(ex) Thanks
  3. rama_v

    Experiment

    In the conclusion you write whtether or not you proved your hypothesis basically. You dont interpret results in the results section, that would go most likely into the discussion and conclusion.
  4. rama_v

    cathode rays

    The trick is to never get yourself into a habit of thinking that the anode is positive or negative. ALWAYS, the anode is where oxidation occurs, and the cathode is where reduction occurs. AN OX and RED CAT I think the reason is that cations(positive ions) move towards the negative terminal...
  5. rama_v

    M/ History Trials Help!

    LOL thanks
  6. rama_v

    confused algebra

    (x+5)/4 = 3 X+5=12 X=7
  7. rama_v

    'Make Poverty History'

    I reckon its a bit of a misconception that theres too much corruption in Africa ...Take a look at Ghana for instance and their democratic election. Sure there are corrupt nations, but its not as bad as some people may want us to believe. I found the article by Jeffrey Sachs (it was in Time...
  8. rama_v

    M/ History Trials Help!

    Historians quotes Ive rummaged through my modern folder and I found this document, I hope it helps.
  9. rama_v

    Pnp amplifiers

    hehe thanks for that, I already went to the howstuffworks site, only I went to teh solar cell article...its oen of teh best resources though :)
  10. rama_v

    Permutation

    Ahh now that explains it, I get it now. Thanks heaps :)
  11. rama_v

    Do you need to know how a transistor works?

    wow, I didnt know that, I mean i knew they were teachers but I thought they could refer to someone from the board with questions students ask...
  12. rama_v

    Permutation

    Ahh I think i get it, so your basically saying that its 8P3 *7! because your counting two of the papers as one (since if two of them are not together than obviously 3 are not togther), is that right?
  13. rama_v

    Permutation

    How about some help with this one please guys: In how many differnt orders can 10 examination papers be set so that no two of the three mathematics papers are consecutive? answer is 42 x 8! (how do they get that?)
  14. rama_v

    Queen Lere

    Yeah, at erskineville at night
  15. rama_v

    VOTE UR estimated UAI (warning!!!!)

    Im hoping for 95, I'll be happy with that :D
  16. rama_v

    crappy teachers

    I know what its like. The best thing to do is to try and learn the material yourself using textbooks and asking others, using this forum or getting a tutor...
  17. rama_v

    Do you need to know how a transistor works?

    I had a similar question posted up in another thread...I would learn it anyway but Im not sure, I think teh best thing to do is just to learn it and then ring up teh hsc advice line a few weeks b4 the hsc to clarify it.
  18. rama_v

    Permutation

    (8C2 x 6C2 x 4C2 x 2C2 )/4! which equals 105 damn, beaten to it! lol
  19. rama_v

    How do u know how much to write?

    I know aye, thats so true. Thats why I just write HEAPS for every question, I go way over the lines because realistically u ca'nt answer a three mark question in three lines, but thats my opinion. The first two lines are requried for simply restating what the question says (I lost a mark for not...
  20. rama_v

    Queen Lere

    I went to see it on Thursday night. The actors were ok (lere was very good) and I thought in general it was a bit better than I expected (this play used projectors). I think it seemd a bit disjointed but maybe thats because all the characters names were changed...Too bad though the thetre was...
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