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A value of p for which the equation x^(2...

A value of `p` for which the equation `x^(2)+p x y+y^(2)-5 x-7 y+6=0` represents a pair of lines is

A

`(5)/(2)`

B

5

C

2

D

`(2)/(5)`

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
  1. A value of p for which the equation x^(2)+p x y+y^(2)-5 x-7 y+6=0 repr...

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  2. The value of k for which y^(2)+x y+k x^(2)-x-2 y+k=0 represents two l...

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  3. The distance between the pair of parallel lines 8 x^(2)+8 x y+2 y^(2)...

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  4. The equation to the pair of lines through the origin and perpendicular...

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  5. If one of the lines ax^(2)+2hxy+by^(2)=0 bisects the angle between ...

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  6. The condition that the slope of one the lines of a x^(2)+2 h x y+b y^...

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  7. The slope of one of the lines 2 x^(2)+3 x y+lambda y^(2)=0 is 2, then...

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  8. If the pair of lines x y-x-y+1=0 and the line a x+2 y-3=0 are concurr...

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  9. The equation a x^(2)+b y^(2)+c x+c y=0, c ne 0 represents a pair of l...

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  10. If x^(2)-k x y-y^(2)+2 y+2=0 represents a pair of lines than the valu...

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  11. The equation to the pair of lines passing through (1,-1) and parallel ...

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  12. The equation 9 x^(2)+24 x y+b^2 y^(2)-12 x+16 y-12=0 represents a pai...

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  13. Distance between the pair of lines represented by the equation x^(2)-...

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  14. The join of (-3,2) and (4,6) is cut by x -axis in the ratio

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  15. The sum of the slopes of the lines represented by 4x^(2)+2hxy-7y^(2)=0...

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  16. If one of the pair of lines represented by a x^(2)+2 h x y+b y^(2)=0 i...

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  17. If one of the pair of lines represented by 6 x^(2)+2 h x y-3 y^(2)=0 i...

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  18. The angle between the pari of lines represented by x^(2)-7xy+12y^(2)...

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  19. The distance between the parallel lines given by (x+7y)^(2)+4sqrt(2...

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  20. If the slope of one of the lines represented by ax^(2)-6xy+y^(2)=0 is...

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