Advanced Plane GeometryThis book begins at the point where Professor Barry's text 'Geometry with Trigonometry' leaves off, and develops advanced elements of plane geometry. It culminates in an account of the geometry of conics in the complex projective plane. Along the way it considers invariants of affine, projective, and complex affine plane geometry under the various appropriate group actions. The ideas and progressive generalisations are introduced in a gradual way, and
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