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Question: awrite down the center of the circle c x2 ...

Question details

a)Write down the center of the circle c: x2 + y2 -10x - 4y + k= 0 and find the radius length in terms of k.

b)The midpoint of a chord of c is (4,1) and its length is 4V2.

i)find the radius length of c.

ii)Hence find the value of k.

c)Find the slopes of the tangents to c from the point (-2,1).

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