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  1. Affinity

    diagram of arg(z-1)=2argz

    Concise answer: circle of radius 1 centered at (1,0), but excluding point (0,0) PLUS the real axis excluding the closed interval from (0,0) to (1,0) Intuition: The circle part could guessed from the fact that the paralellogram 0,z-1,z,1 is infact a rhombus because of the angles. the...
  2. Affinity

    How many classes?

    Lessons are overated, my class spent half of ours doing exercises (which could have been done at home)
  3. Affinity

    Rubics Cube

    Was looking for a concise and precise condition :P
  4. Affinity

    Rubics Cube

    a more interesting question would be: which configurations of stickers would be unsolvable
  5. Affinity

    Rubics Cube

    It's quite easy to solve you just need to memorise some steps. the real challenge is to get it fast.
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    Integration

    It's trivial... write out the series expansion for arctan x - x^3/3 + x^5/5 ... then convolute that n times then integrate term by term.. and that will be your solution
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    Herons Formula

    Yeah, his pet topic :P
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    science advanced

    1.you should do 1151 for that 2.as far as I know you can even do 1131 instead 3.they are almost the same anyway. 1131/41 teaches maple instead of matlab and topics in different orders
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    refferencing

    I am in agruement with you.
  10. Affinity

    refferencing

    You missed "an significant comment...". Languages evolve, and become simpler grammatically. That said, correct grammar (and spelling) is like etiquette and rituals. It is expected to be observed.
  11. Affinity

    Locus question

    the center lies on the perpedicular bisector of the 2 points, and the relevant angle is 2pi/3, hope thats enough information
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    Help on question needed!

    got a feeling that this is either a question misread mistyped or is not serious.. here's the numerical solution -30x(x+.9473257766+.5908091171*I)*(x+.9473257766-.5908091171*I)* (x+.6058164360e-1+.7558248859*I)*(x+.6058164360e-1-.7558248859*I)*...
  13. Affinity

    Obstacles in the HSC

    The greatest pleasure is to see people trying to defy your predictions, only to fail :D
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    Is this age difference socially acceptable/plausible?

    4 years seems fine to me... The whole problem of age is the distance in mentality, maturity, experiences, interests and taste, so if you have no problems with those, then age is not a problem.
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    Is this age difference socially acceptable/plausible?

    Fortunately for the society not every girl thinks like you :D
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    4u integration!

    demand LaTeX support.
  17. Affinity

    bad boys or good boys???

    How about "hey josie"
  18. Affinity

    Difficulty of Actuarial Studies

    actuarial studies is not hard per se, but there is alot of material... to learn it properly you would have to spend more time than other subs
  19. Affinity

    Drama

    That only works when he does like her to start with, and we are not certain about that.
  20. Affinity

    Drama

    If someone avoids me I will take it as a hint that they don't want to talk to me, and being brought up to respect other people's decisions I will not try to talk to them.
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