Answers

  • Brainly User
2014-09-18T10:39:08+05:30
Let P be the point (x,y) such that points (x,y), (2,3), and (1,5) are co-linear. These three points will be co-linear if slope of the line joining points (x,y), (2,3) is the same as the slope of the line joining points (2,3), (1,5).  Hence (y - 3) / ((x - 2) = (5 - 3) / (1 - 2 ) = 2 / (-1)
On simplifying, 2x + y - 7 = 0  
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