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April 25, 2014

Homework Help: maths

Posted by tembo on Wednesday, March 14, 2012 at 10:49am.

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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