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Question

The coordinates of the point P dividing the line segment joining the points A (1, 3) and B (4, 6) in the ratio 2 : 1


A
(2,4)
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B
(3,5)
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C

(4,2)

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D

(5,3)

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Solution

The correct option is B (3,5)

Let P(x,y) divides line segment joining A(1,3) and B(4,6) in the ratio 2 : 1.
we know that, the coordinates of a point (x,y) dividing the line segment joining the points
(x1,y1) and (x2,y2) in the ratio m1:m2 are given by
x=m1x2+m2x1m1+m2 and y=m1y2+m2y1m1+m2
Herex=2(4)+1(1)2+1 and y=2(6)+1(3)2+1
x=93andy=153x=3andy=5
Thus, (3,5) divides the line segment AB in the ratio 2 : 1


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