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  1. W

    Help me prove this standard form please

    I was doing a question in the Cambridge 4u textbook and came across a question which used the standard form below: I have never came across this before and the textbook doesnt have the proof... I was wondering if anyone could prove it for me. Thanks!
  2. W

    NEW YEARS RESOLUTIONS (in terms of schooling)

    Same as TC
  3. W

    what is symmetry arguments?

    I don't understand what this question means by using symmetry arguments. Edit: sorry, you are going to have to click the link because I don't know the code..
  4. W

    how do you differentiate inverse cosecx

    Yep I got it, thnks guys
  5. W

    how do you differentiate inverse cosecx

    how do you differentiate inverse cosecx
  7. W

    Question on writing note for Sciences.

    I also use DP's notes but I still have to make my own notes because my tutor requires me to hand in my own notes. But in return, I get the tutor's notes!
  8. W

    Has anyone done the ACER exam for year 10 to year 11?

    Normanhurst doesnt use acer tests
  9. W

    Question on writing note for Sciences.

    @Splicer Did you write notes when you were doing the HSC?
  10. W

    Sketching reciprocal fn

    @Trebla Sorry for not making my question clear enough, the question asks me to sketch the inverse of g(x) = (x+2)/(x+1) which is g^-1 = (2-x)/(x-1). I thought that because the inverse function had a negative, I assumed the graph would have been in 2nd and 4th quadrant which is wrong...
  11. W

    Sketching reciprocal fn

    Hi everyone, I was just doing inverse trigonometric fn exercises in the textbook, but decided not to skip the revision exercise(revisit of inverse fn's) included in it since I having touched it for a while. There is a question which requires me to sketch g^-1(x) = (2-x)/(x-1). How do I know...
  13. W

    Integrate exponential fn question

    Wow thanks I got it, and I think deterninistic forgot to put the +1 in denominator.
  14. W

    Integrate exponential fn question

    Integrate 2^logx. I tried making it base e then integrating but it doesnt work......
  15. W

    How did the aether model violate the principle of relativity?

    The Jacaranda explanation is not making sense to me: In the late nineteenth century, belief in the aether posed a difficult problem for the principle of relativity, because the aether was supposed to be stationary in space and light was supposed to have a fixed velocity relative to the...
    • WEMG
    • Thread
    • Replies: 8
    • Forum: Space
  16. W

    Who does every single question in the Cambridge textbook?

    I think the VCE one is different from the NSW HSC one but they are both published by Cambridge.
  17. W

    Exponetial function

    Yep, I just realised it after doing another question haha
  19. W

    Exponetial function

    how do i simplify e^lnx so that I can differentiate it?
  20. W

    Who does every single question in the Cambridge textbook?

    Thanks for the input everyone! Normally I do every question from basic to development and by the time I get to extension I am exhausted. I've always been hesitant on skipping the foundation questions because I am self learning and afraid I might not understand the basics. But I think I'm going...
  21. W

    Who does every single question in the Cambridge textbook?

    Does anyone do every single question? Or do most of you just skip some so you do them later?
  22. W

    Share your 2010 HSC results here

    Congratulations everyone! Its great to see everyone's results. All these amazing results inspire me to work hard so I can be just as good as you guys for my HSC next year!
  23. W

    Multiple roots theorem proof

    Thanks for clearing it up for me! The Terry Lee textbook didn't mention anything about Q(a) =/= 0 but it was stated in the cambridge textbook but didnt explain why. Thanks!
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