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Ask experts Expert Question: pair of straight line
Reply Forum Index -> Analytical Geometry originally posted here on IIT-JEE / AIEEE community   
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sidharthsekharsahoo (5)

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if each of the points (x1,4) and( -2,y1) lies on the line joining the points( 2,-1), and (5,-3) ,then the point P(x1,y1) lies on the line ______________

    
prahlad kumar sharma (220)

Olaaa!! Perrrfect answer. 44  [44 rates]

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eqn of line joining ( 2,-1), and (5,-3) is 3y+2x-1=0

since (x1,4) and( -2,y1) lies on this line,

2x1-11=0

and 3y1-5=0

and these two

3y1+2x1-16=0

there fore (x1,y1) lies on the line 3y+2x-16=0


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Vikram Saxena (2764)

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Olaaa!! Perrrfect answer. 456  [698 rates]

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3y+2x-16=0
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