If three points (h, 0), (a, b) and (0, k) lie on a line, show that a/h + b/k = 1.

DhirajProficient

# If three points (h, 0), (a, b) and (0, k) lie on a line, show that a/h + b/k = 1.

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## Dhiraj

This answer was edited.Let the three points be A(h,0), B(a,b), and C(0,k).Since, the three points lie on a line,i.e., A, B and C are collinear.So, slope of AB = slope of BC