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If the sum of slopes of the pair of line...

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

A

`-6`

B

`-2`

C

`-4`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
B
NA
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TARGET PUBLICATION-PAIR OF STRAIGHT LINES-COMPETITIVE THINKING
  1. If the equation ax^(2)+2hxy+by^(2)=0 represented two lines y=m(1)x and...

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  2. The sum of the slopes of the lines given by 3x^(2)+5xy-2y^(2)=0 is

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  3. If the sum of slopes of the pair of lines represented by 4x^(2)+2hxy-7...

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  4. if the sum of the slopes of the lines given by x^2-2cxy-7y^2=0 is four...

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

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  6. If the gradient of one of the lines given by x^(2)+hxy+2y^(2)=0 is twi...

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  7. If the slope of one of the lines given by ax^(2)+2hxy+by^(2)=0 is two ...

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  8. If slopes of lines represented by kx^(2)+5xy+y^(2)=0 differ by 1, then...

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  9. If the ratio of gradients of the line given by ax^(2)+2hxy+by^(2)=0 i...

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  10. if X^2/a+y^2/b+(2xy)/h=0 represent pair of straight lies and slope one...

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  11. The angle between the straight lines x^(2)-y^(2)-2x-1=0, is

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  12. Acute angle between the lines represented by (x^2+y^2)sqrt(3)=4xy is ...

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  13. The angle between the pair of straight lines x^(2)+4y^(2)-7xy=0 is

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  14. The angles between the lines represented by the equation 4x^(2)-24xy+1...

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  15. The angle between the lines x^(2)+2xysec theta+y^(2)=0 is

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

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  17. The lines represented by the equation 23x^(2)-48xy+3y^(2)=0 and 2x+3y+...

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  18. The nature of straight lines represented by the equation 4x^(2)+12xy+9...

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  19. The equation x^(2)+ky^(2)+4xy=0 represents two coincident lines if k=

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  20. if lines represented by equation px^(2)-qy^(2)=0 are distinct, then

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