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[Post New]17 Jan 2008 14:59:58 IST
    Subject: Re:complex numbers
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elastiboysai (2327)

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Olaaa!! Perrrfect answer. 421  [532 rates]
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put z= x+iy and z bar =x-iy and solve
get an eqn of gen form of circle
x^2+y^2+2gx+2fy+c=0
r=sqrt(g^2+f^2-c)
ans is sqrt(20) units
 this reply: 7 points  (with 1 Olaaa!! Perrrfect answer.   in 2 votes )   [?]
 
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