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Find the equation of a line passing thro...

Find the equation of a line passing through origin and parallel to the line joining the points `(1,3)` and `(2,-1)`.

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The correct Answer is:
`4x+y=0`
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NAGEEN PRAKASHAN-STRAIGHT LINES-Exercise
  1. Find the equation of line joining origin to the point of intersection ...

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  2. Find the equation of a line passing through origin and parallel to the...

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  3. Find the equation of a line passing through origin and parallel to the...

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  4. Find the equation of a line passing through the point (-1,-2) and para...

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  5. Find the equation of a line passing through the intersection of the li...

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  6. Find the equation of a line parallel to the line x cos alpha+ y sin al...

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  7. Find the equation of a line passing through the point (-1,0) and perpe...

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  8. Find the equation of perpendicular bisector of line segment joining th...

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  9. Find the equation of a line passing through the point of intersection ...

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  10. Find the length of perpendicular drawn from point (2,-1) to the line 3...

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  11. Find the length of perpendicular drawn from origin to the line 12x-5y=...

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  12. Find the length of perpendicular from the point (-1,-2) to the line x=...

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  13. Find the length of perpendicular from origin to the line x+7y+4sqrt(2)...

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  14. Find the distance between the parallel lines 5x+12y-20=0 and 5x+12y+6=...

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  15. (i) Find the co-ordinates of the foot of perpendicular from point (-1,...

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  16. Find the length of perpendicular from the point (a cos alpha, a sin al...

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  17. Find the distance between the parallel lines x+4sqrt(3)y+10=0 and x+4s...

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  18. Find the relation between a and b if the lines 3x-by+5=0 and ax+y=2 pa...

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  19. If p and q are the lengths of perpendicular from the origin to the li...

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  20. Show that the distance between the parallel lines ax+by+c=0 and k(ax+b...

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