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The sum of the slopes of the lines repre...

The sum of the slopes of the lines represented by `4x^(2)+2hxy-7y^(2)=0` is equal to the product of the slopes then h is

A

-4

B

4

C

-6

D

-2

Text Solution

Verified by Experts

The correct Answer is:
D
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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  4. 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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  7. The distance between the parallel lines given by (x+7y)^(2)+4sqrt(2...

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  9. If the pair of lines a x^(2)+2 h x y-a y^(2)=0 and b x^(2)+2 g x y-b y...

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  10. If the pairs of lines 3x^(2)-2pxy-3y^(2)=0 and 5x^(2)-2qxy-5y^(2)=0...

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  11. The equation x-y=4 and x^(2)+4xy+y^(2)=0 represent the sides of

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  12. If a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0 represents a parallel lines...

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

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  14. If the pair of lines a x^(2)+2 h x y+b y^(2)=0 is rotated about the or...

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  15. Area of triangle formed by : 2x^(2)+xy-3y^(2)=0 and x+y=3 is

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  17. Centroid of the triangle formed by the sides y-1 =0 and x^(2)+7xy+2y^(...

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  18. Orthocentre of the triangle formed by the lines x+y+1=0 and 2 x^(2)-x ...

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