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Distance between the parallel lines 16x^...

Distance between the parallel lines `16x^(2)+24xy+ ly^(2)+kx-12y-21=0` represents a pair of parallel lines is

A

`+-3`

B

`+-4`

C

`-16`

D

`+-25`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -II
  1. p(1),p(2),p(3) be the product of perpendicular from (0,0) to xy+x+y+1=...

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  2. Distance between the parallel line (x+2y)^2+13sqrt5(x+2y)+180=0 is

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  3. Distance between the parallel lines 16x^(2)+24xy+ ly^(2)+kx-12y-21=0 r...

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  4. The equation ax^(2)+2hyx+by^(2)+2gx+2ry+c=0 represents a pair of paral...

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  5. If ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 represents a pair of parallel lines...

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  6. The equation ax^(2)-24xy+16y^(2)+2gx+16y+c=0 represents a pair of para...

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  7. Let P(1),p(2),p(3) be the perpendicular distance between pair of paral...

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  8. The figure formed by the pairs of lines 2x^(2)+3xy-2y^(2)=0 and 2x^(2)...

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  9. The figure formed by the pairs of lines 3x^(2)+10xy+3y^(2)=0 and 3x^(2...

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  10. If fg = ch, the lines represented by hxy+ gx+ fy + c = 0 form a quadri...

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  11. The lines (y-mx)^(2)=a^(2)(1+m^(2)) and (y-nx)^(2)=a^(2)(1+n^(2)) form...

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  12. Quadrilateral formed by xy + x + y + 1=0 and xy + 3x + 3y + 9 =0 is qu...

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  13. The figure formed by the two pairs of lines x^(2)-3x + 2 = 0, y^(2) + ...

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  14. The figure formed by the pairs of lines x^(2)-2=0 and 9x^(2)-24xy+16y^...

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  15. The sides of a parallelogram are given by 2x^(2)-5xy+2y^(2)=0 and 2x^(...

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  16. The equation of the diagonal passing through the origin of the paralle...

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  17. If two of the sides of a parallelogram are represented by ax^2+2hxy+by...

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  18. The equation to a pair of oppite sides of parallelogram are x^2-sx+6=0...

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  19. The combined equation of the diagonals of the square formed by the pai...

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  20. If the pair of lines 6x^(2)-5xy-6y^(2)=0, 6x^(2)-5xy-6y^(2)+x+5y-1=0 f...

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