1.

Three points P (h, k), Q(x_(1) , y_(1))" and " R (x_(2) , Y_(2)) lie on a line. Show that(h - x_(1)) (y_(2) - y_(1)) = (k - y_(1)) (x_(2) - x_(1)).

Answer»


ANSWER :`(h - x_(1)) (y_(2) - y_(1)) = (K - y_(1)) (x_(2) - x_(1))`


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