Which among the following is a point on the line joining the points (4,3) and (7,9) ?A(6,8)B(1,-3)C(-2,-1)D(10,13)Answer: B. (1,-3) Read Explanation: Eqn of the line byy−y1x−x1=y2−y1x2−x1\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}x−x1y−y1=x2−x1y2−y1y−3x−4=9−37−4\frac{y-3}{x-4}=\frac{9-3}{7-4} x−4y−3=7−49−3y−3x−4=63\frac{y-3}{x-4}=\frac{6}{3}x−4y−3=36(y−3)=2(x−4)(y-3)=2(x-4)(y−3)=2(x−4)2x−8=(y−3)2x-8=(y-3)2x−8=(y−3)2x−y=52x-y=52x−y=5(x,y)=(1,−3)(x,y)=(1,-3)(x,y)=(1,−3) Read more in App
