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If one of the lines given by 6x^2- xy +4...

If one of the lines given by `6x^2- xy +4cy^2=0` is `3x +4y=0`, then `c=`

A

3

B

-1

C

1

D

-3

Text Solution

Verified by Experts

The correct Answer is:
D
NA
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TARGET PUBLICATION-PAIR OF STRAIGHT LINES-COMPETITIVE THINKING
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  2. If one of the lines represented by the equation ax^(2)+2hxy+by^(2)=0 b...

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  3. If one of the lines given by 6x^2- xy +4cy^2=0 is 3x +4y=0, then c=

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  4. If one of the lines given by kx^(2)-5xy-3y^(2)=0 is perpendicular to t...

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  5. If one of the two lines 6x^(2)+xy-y^(2)=0 coincides with one of the tw...

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  6. If the equation ax^(2)+2hxy+by^(2)=0 represented two lines y=m(1)x and...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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