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  1. B

    Complex numbers problem (geometric interpretation)

    Provide a geometric interpretation for |z1+z2|2+|z1-z2|2=2(|z1|2+|z2|2).
  2. B

    Ngo & Sons?

    He still teaches a lot, he has classes on Monday, Tuesday and Saturday that I know of. There are probably more.
  3. B

    Complex numbers help

    I tried that and didn't get the required result :cry:, did you actually get to the answer?
  4. B

    Complex numbers help

    Prove cisθ/(1-cisθ)=i(cis(θ/2))/(2sin(θ/2)).
  5. B

    HSC 2013 MX2 Marathon (archive)

    Re: HSC 2013 4U Marathon Find the exact value of sin18.
  7. B

    Inquiry on Dynamics

    Lol, the reason I asked was because I have never seen it asked nor could I find any answer on google. :lol:
  8. B

    Inquiry on Dynamics

    My question was if I have v=f(t), how do I convert that to v=f(x) and what is the relationship between f(t) and f(x).
  9. B

    Inquiry on Dynamics

    Hi, I was wondering if it was possible to convert velocity as a function of time to velocity as a function of position. I know it is possible if time is made a function of position through algebraic manipulation of the position function, although this becomes extremely messy and impractical for...
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