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April 24, 2014

Homework Help: maths

Posted by mazoe on Monday, February 27, 2012 at 3:50am.

Given that the equation of the circle is x^2 + y^2 +2x -8y+5 =0
(i)Find the centre and radius of the circle
(ii)Determine whether the line x-3y=8 is tangent to the given circle

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