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Question

In what ratio does X-axis divide the line segment joining the points (3,4) and (2,6)?

A
2:3 internally
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B
2:3 externally
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C
3:2 internally
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D
3:2 externally
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Solution

The correct option is B 2:3 externally
Given the points (3,4) and (2,6)
let the required ratio be K:1
By section formula
x=mx2+nx1m+n,y=my2+ny1m+n
As x-axis divides (x,y) will be of the form (x,0)
x=2K+3K+1,y=6K+4K+16K+4K+1=06K=4K=232:3 externally
putting the value of K in (x,Y)
x=2K+3K+1=2x23+323+1=4+932+33=5y=6K+4K+1=6×23+323+1=12+932+33=3(x,y)=(5,3)

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