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If ax^(2)+2hxy+by^(2)+2gx+2fy+c=0 repres...

If `ax^(2)+2hxy+by^(2)+2gx+2fy+c=0` represents a pair of parallel lines then `sqrt((g^(2)-ac)/(f^(2)-bc))=`

A

`(a)/(b)`

B

`sqrt((a)/(b))`

C

`sqrt((b)/(a))`

D

`(b)/(a)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -II
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  2. The equation ax^(2)+2hyx+by^(2)+2gx+2ry+c=0 represents a pair of paral...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. 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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  19. In the above problem, the length of its side is

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  20. If the pair of lines 8x^(2)+2xy-3y^(2)=0 forms a parallelogram with pa...

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