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    Find the locus of z if |z+1| +|z-1| = 4

    Im not sure where to start?
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    You can learn what they are by heart or... Sub in z = x+iy


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    expanding it after taking out the modulus leaves me in a mess with square root + square root = 16?
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    the answer at the back says 3x^2 +4y^2 = 12
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    aint got a scoooby clue.... But I really wanna do this so someone with a brain who would be of assistance??
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    Can you post your working so we can see what you've got so far? Did you use the hint?
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    (Original post by Tiri)
    aint got a scoooby clue.... But I really wanna do this so someone with a brain who would be of assistance??
    look at Q133 in this link
    http://www.madasmaths.com/archive/ma..._questions.pdf

    disappointed in you having to come here and ask questions when you are in the priviliged position to know where to look...
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    (Original post by TeeEm)
    look at Q133 in this link
    http://www.madasmaths.com/archive/ma..._questions.pdf

    disappointed in you having to come here and ask questions when you are in the priviliged position to know where to look...

    Just wanted some quick feedback. Did you get my message?
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    Solved it..
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    (Original post by Tiri)
    Just wanted some quick feedback. Did you get my message?
    your messages do not sound like wanting feedback...

    I am very busy all next week, so next week sometime
 
 
 
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