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  please help me proof this one....The area formed by the three intersecting line y=m1x + c1, y=m2x + c2, y=m3x + c3.......is 1/2 Σ[ (c1-c2)2/(m1-m2) ] how to proof this one??? ...
  0·2· #Mathematics#Co-ordinate Geometry
  asked2011-06-10 02:41:58