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Question

The point which divides the line segment joining (2,4),(2,7) in the ratio 2:1 externally is

A
(6,10)
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B
(2,103)
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C
(43,23)
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D
(23,6)
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Solution

The correct option is A (6,10)
REF.Image.
A(2,4)B(2,7)
x1y1 x2y2
m1:m2=2:1
P(x,y)=(m1x2m2x1m2m2,m1y2m2y1m1m2)
x=m1x2m2x1m1m2=2(2)1(2)2+(1)=4+2=6
y=m1y2m2y1m1m2=2(7)1(4)21=144=10
P(x,y)=(6,10).

1127393_1229192_ans_489d1ad52bbc43a8a205a102dd95e602.jpg

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