Q (x1
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ).
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Oct
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ). Example 4 Three points P (h K Q (x1 y1 ) and R (x2 [...]