circles 23.32 31

Community Discussion Question: circles 23.32 31

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9 Jan 2012 22:09:51 IST

Subject: circles 23.32 31

total posts: 88
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the equation of image of a circle x^2 -y^2 +16x -24y+183 =0 by the line mirror 4x+7y+13=0 is......

ans. x^2 -y^2 +32x -4y+235 =0

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