5 Visitor Messages

  1. View Conversation
    Hey I saw that question about the image you were talking about.

    Because it's a circle, it's a hint to use polar coordinates. So you can write z = 2cis(theta) and then
    f(z) = 2cis(theta) - 0.5cis(-theta)
    = 2(cos(theta) + isin(theta)) - (0.5cos(theta) - 0.5isin(theta))
    = 1.5cos(theta) + 2.5isin(theta)

    So x = 3cos(theta)/2 and y = 5sin(theta)/2 and you can see it's an ellipse.

    Sorry, thought I'd better tell you because I led you off before!
  2. View Conversation
    lol~ i've been here.. ages ago...~
    lol! you found me too Alice :P
  3. View Conversation
    hello alice ;D
  4. View Conversation
    Nice dp
    Is that a turtle eating mashed potatoes? XD
  5. View Conversation
    liek hai thar ;D
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About ahhliss

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