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If the equation of pair of bisectors of the angle between the pair of lines `3x^(2)+xy+by^(2)=0` is `x^(2)-14xy-y^(2)=0` then b=

A

4

B

`-4`

C

2

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-PAIR OF STRAIGHT LINES-EXERCISE -I
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  4. If 2x + y - 4= 0 is a bisector of angles between the lines a(x-1) + b(...

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  5. The bisector of acute angle between the straight lines 4x+3y-6=0 and 5...

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  6. The equation of the bisector of the obtuse angle between the lines x -...

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  7. The equation of pair of angular bisectors of (a-b)x^(2)+4hxy-(a-b)y^(2...

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  8. If one angular bisector of a(x+1)^(2)+2h(x+1)(y-3)+b(y-3)^(2)=0 is 2x-...

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  9. Equation of pair of lines through (0,0) and forming an equilateral tri...

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  10. Equation of pair of lines passing through origin and making an angle T...

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  11. Area of the triangle formed by the lines 3x^(2)-4xy+y^(2)=0, 2x-y=6 is

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  12. The area of the triangle formed by the lines x^(2)-9xy+18y^(2)=0 and t...

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  13. Area of the triangle formed by the lines y^(2)-mxy=0 and x+y-m=0 is

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  14. Area of the triangle formed by the lines x^(2)-3xy+y^(2)=0 and x+y+1=0

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  15. If the area of the triangle formed by the pair of lines 8x^(2)-6xy+y^(...

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  16. The area of the equilateral triangle formed by the lines x^(2)-3y^(2) ...

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  17. The area of the equilaterial triangle formed by the pair of lines (ax+...

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  18. The area of an equilateral triangle formed by the lines passing throug...

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  19. The equation of the pair of perpendicular lines passing through origin...

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  20. If 3x^(2)-11xy+10y^(2)-7x+13y+k=0 denotes a pair of straight lines, t...

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