# MA

posted by
**maths** on
.

a) find the equation of AB, the perpindicular bisector of the line joining the points P(-3,1) and Q(1,9)

(line AB intersects the point at midway of PQ)

b) C is the centre of a circle passing through P and Q. given that QC is parralel to the yaxis, determine theequation of the circle.

(c) the tangents at P and Q intersect at T

(1) find the equation of the tangent at Q

(2) the coordinates at C

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