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The combined equation of pair of lines p...

The combined equation of pair of lines passing through origin and perpendicular to the lines given by `2x^(2)-3xy+y^(2)=0` is

A

`x^(2)+3xy+2y^(2)=0`

B

`x^(2)-3xy+2y^(2)=0`

C

`2x^(2)+3xy+y^(2)=0`

D

`2x^(2)-3xy+y^(2)=0`

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
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  2. The joint equation of lines passing through the origin and perpendicul...

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  3. The combined equation of pair of lines passing through origin and perp...

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  4. The combined equation of pair of lines passing through origin and perp...

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  5. The joint equation of lines passing through the origin and perpendicul...

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  6. The joint equation of pair of lines through point (1, 2) and perpendic...

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  7. The equation ax^(2)+2hxy+ay^(2)=0 represents a pair of coincident line...

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  8. The equation 4x^(2)+hxy+y^(2)=0 represents a pair of coincident lines ...

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  9. If the equation k(x^(2)+y^(2))=8xy represents a pair of coincident lin...

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  10. If the equation (k+1)x^(2)-6xy+(k-7)y^(2)=0 represents a pair of coinc...

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  11. If the equation a^(2)x^(2)+bxy^(2)=a(b+c)xy represents a pair of coinc...

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  12. Which of the following pair of straight lines intersect at right angle...

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  13. The equation x^(2)+alphaxy+betay^(2)=0 represents a pair of perpendicu...

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  14. If the equation K(x^(2)+y^(2))=(3x-y)^(2) represents a pair of coincid...

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  15. If the equation (kx+y)^(2)=k(x^(2)+y^(2)) represents a pair of perpend...

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  16. If the lines represented by sin^(2)alpha(x^(2)+y^(2))=((cosalpha)x-(si...

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  17. If ax^(2)+6xy+3y^(2)-10x+10y-6=0 represents a pair of perpendicular li...

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  18. The sum of the slopes of the lines given by x^(2)-7xy+12y^(2)=0 is

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  19. The product of the slopes of the line given by x^(2)-xy-6y^(2)=0 is

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  20. If the sum of the slopes of the lines given by 3x^(2)+kxy-y^(2)=0 is z...

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