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If the area of the triangle formed by th...

If the area of the triangle formed by the pair of lines `8x^2 - 6xy + y^2 = 0` and the line `2x+3y=a` is 7 then `a=`

A

`49`

B

`14`

C

`112`

D

`28`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
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  2. The area of triangle (in sq units) formed by the lines x^2- 4y^2 = 0 a...

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

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  4. The joint equation of pair of lines which bisects angle between the li...

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  5. The joint equation of bisectors of the angles between the lines given...

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  6. If the lines x^(2)+2hxy-y^(2)=0 bisect the angle between the lines 2x^...

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  7. If 7x^(2)-kxy-7y^(2)=0 represents the joint equation of the bisectors ...

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  8. The pair of lines h(x^(2)-y^(2))+pxy=0 bisects the angle between the p...

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  9. If the two pairs of line x^2 -2mxy -y^2=0 and x^2 - 2nxy -y^2 = 0 are ...

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  10. If one of the lines of my^(2)+(1-m^(2))xy-mx^(2)=0 is a bisector of th...

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  11. The product of lenghts of the perpendicular from point (2, 3) on the l...

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  12. The product of legths of the perpendicular from point (4, 1) on the li...

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  13. The equation of the bisectors of angle between the lines x^(2)-4xy+y^(...

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  14. DeltaOAB is formed by the lines x^2-4xy +y^2= 0 and the line AB. The e...

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  15. 9.y If two sides of a triangle are represented by x^27xy+6y^2=0 and th...

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  16. Orthocentre of the triangle formed by the lines xy=0 and x+y=1 is

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  17. Orthocentre of the triangle formed by the lines 3x^(2)+8xy-y^(2)=0 and...

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  18. The angle between the lines xd^(2)+4xy+y^(2)=0 is

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  19. The coordinates of the orthocentre of the triangle formedby the lines ...

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  20. The orthocentre of the triangle formed by the lines xy=0 and x+y=1 is

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