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Math Help - argand diagram

  1. #1
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    argand diagram

    Identify IN A ARGAND diagram the points corresponding to the following equation |Z+4|=3|Z|
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  2. #2
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    Re: argand diagram

    Hey spacemenon.

    Hint: Try expanding things in terms of x and y (z = x + iy) and get a formula in terms of the x's and y's. Also note that (x-a)^2 + (y-b)^2 = r^2 is the formula for a circle centered at (a,b) with radius r.
    Thanks from topsquark and spacemenon
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  3. #3
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    Re: argand diagram

    Thank u
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