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  1. shaon0

    the dream car thread

    Lexus LFA is the best new supercar out now, so hence i'd have the Lexus LFA.
  2. shaon0

    SHM can go SMD

    Go up till max, then go down again=2A; Keep going down till min then go back up again=2A. So, 4A
  3. shaon0

    SHM can go SMD

    lol, i think i proved this a while ago. It's probs still on the 1st page of the MX1 forum. EDIT: http://community.boredofstudies.org/13/mathematics-extension-1/245066/simple-harmonic-motion.html
  4. shaon0

    Another challenge question: Irrationality of e

    But they'd have to give parts opposed to a whole q. And, i heard these q's aren't in the syllabus anymore.
  5. shaon0

    Another challenge question: Irrationality of e

    Idk, i never use LaTeX. There's a LaTeX guide stickied somewhere in the Math forums.
  6. shaon0

    Another challenge question: Irrationality of e

    Fuck! I essentially had the last line but didn't deduce anything from it, so i chucked the paper in the bin :( Kudos, k02033. I would rep you again but need to spread the rep.
  7. shaon0

    Another challenge question: Irrationality of e

    Is e E (0,1/q) where e=p/q? And, this is a weird idea but is it legit to consider e as the magnitude of error between the bounds (ie. a distance)?
  8. shaon0

    Another challenge question: Irrationality of e

    e-Sn=1/(n+1)!+... So, 0<1/(n+2)!+...<1/(n(n+1)!) Does the above help? The proof is long-winded. It could've been proved a lot quicker if there was an "otherwise."
  9. shaon0

    Another challenge question: Irrationality of e

    A bit late to be doing maths now? lol
  10. shaon0

    Another challenge question: Irrationality of e

    Yeah, probs let e=p/q where p,q E Z+
  11. shaon0

    your current favourite song

    Not my favourite atm but i am listening to it now. One- Swedish House Mafia.
  12. shaon0

    Preliminary mathematics marathon

    Re: another question Duble integrals aren't in HSC. If I = S ln(x)/x dx I=1/2 (ln(x))^2 +C Use u=ln(x)
  13. shaon0

    quick question for inverse

    Let u=2sqrt(x) and use chain rule.
  14. shaon0

    general UNSW chit-chat

    I have a general enquiry regarding subject selection for s2 onwards. Can i apply for a course in another faculty even though i don't have to take gened courses? Thanks
  15. shaon0

    Preliminary mathematics marathon

    Re: another question Is your equation correct?
  16. shaon0

    Preliminary mathematics marathon

    You're correct, i did a q regarding diff of folium of descartes in yr11.
  17. shaon0

    man vs wild

    Yeah, awesome show. Probs one of my favourites.
  18. shaon0

    Polynomials

    Well, you've found complex roots; Say, w=+-i(2)^(1/4), 1/w=1/(+-i.2^(1/4))=-+i.2^(-1/4) (as listed) Try prod. of roots and sum.
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