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  1. HSC2014

    Square Roots of a Complex Number

    Okay thanks :) Good to know... I don't want my pen to waste ink.
  2. HSC2014

    Square Roots of a Complex Number

    Question: Find the square roots of -21 + 20i My solution: root (-21 +20 i ) = root [ (2)^2 + (5i)^2 + 2 (2) (5i) ] = +- (2 + 5i) Is this acceptable? My concerns involve the shortness of the solution. I expressed -21 + 20i as a perfect square (it is pretty clear to me) and so I am able to obtain...
  3. HSC2014

    how much did you study, and what was your atar/what do you usually get in exams?

    Hey year 6 was harder than the earlier years of high school for me. Those arranging words in alphabetical order tasks... T_T Hard stuff.
  4. HSC2014

    Conics Help!

    You're always on carrot -_- 24/7 support service
  5. HSC2014

    What to do in these holidays

    Did you watch the finale today? So sad to see the show end.
  6. HSC2014

    How do you "self-learn?"

    Yes environmental influences affect intellect but that doesn't explain some young prodigies who seem to alienate their own parents and surroundings. There must be some sought of gene or something (not really a bio person) that affects this area; and perhaps they were mutations of such gene...
  7. HSC2014

    Mathematical induction help please

    Just being pedantic, but is the restriction on k necessary? We defined n to be a positive integer; thus if n = k, then k would be a positive integer.
  8. HSC2014

    Count the number of F's (20% succeed)

    LOL Im laughing.
  9. HSC2014

    Count the number of F's (20% succeed)

    Damn, serious LOL How did I fail it t_t
  10. HSC2014

    Count the number of F's (20% succeed)

    [Try before looking at comments!] Apparently only 20% of people get this right; how many F's are this in image? https://www.dropbox.com/s/s6e093gv69q35g0/Count%20the%20Fs.PNG
  11. HSC2014

    Log help

    So from the question, you have: 1/x^a = 1/n After cross multiplying, n = x^a hence log_x(n) = a
  12. HSC2014

    Opinion on UMAT Test Style

    IQ tests do not measure "hereditary intelligence" imo
  13. HSC2014

    Steam Machine & Steam OS

    Interesting design tho
  14. HSC2014

    Steam Machine & Steam OS

    Bam im a prophet!!! LOL
  15. HSC2014

    Steam Machine & Steam OS

    o: o:
  16. HSC2014

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon How did those accents come about? I've never even seen them :'( Only like the different level derivatives: y', y"
  17. HSC2014

    HSC 2013 Maths Marathon (archive)

    Re: HSC 2013 2U Marathon what are these dots above x's
  18. HSC2014

    Steam Machine & Steam OS

    controller
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