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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 10 - Straight Lines > 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 , 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 y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ).