ex.4.2 q.2, the equation of the tangent to the circle x2 +y2 +4x -4y+4=0 which make equal intercept on the po

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Title: ex.4.2 q.2

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Posted On: Jan 25, 2012 08:38 AM

the equation of the tangent to the circle x2 +y2 +4x -4y+4=0 which make equal intercept on the positive coordinate axes is:

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KAMAL RAWAT
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Vaishal Shah

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Jan 25, 2012 09:50 PM

if tangent is y=mx+c. Equal intercept means m=-1 x+y=c perpendicular from center of the circle on tangent is radius. C=2 root 2 x+y=2 root 2

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