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If x y+x+y+1=0 and x+q y-3=0 are concurr...

If `x y+x+y+1=0` and `x+q y-3=0` are concurrent then `q=`

A

3

B

2

C

-4

D

1

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The correct Answer is:
C
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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  2. The quadrilateral formed by the pair of lines x y+x+y+1=0, x y+3 x+3 y...

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  3. If x y+x+y+1=0 and x+q y-3=0 are concurrent then q=

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  4. The equation x^(2)-3 x y+lambda y^(2)+3 x-5 y+2=0, whose lambda is a r...

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  5. Circumcentre of the triangle formed by the lines xy+2x+2y+4=0 and x+...

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  6. The distance between the parallel lines 9 x^(2)-6 x y+y^(2)+18 x-6 y+8...

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  7. The angle between the pair of lines 2 x^(2)+5 x y+2 y^(2)+3 x+3 y+1=0 ...

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  8. The combined equation to a pair of lines passing through the origin an...

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

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  10. The equation of the pair of bisectors of the angles between the pair o...

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  11. The triangle formed by the pair of lines x^(2)-4 y^(2)=0 and the line ...

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  12. Point of intersection of pair of lines x^(2)+x y+2 y^(2)-3 x+2 y+4=0 i...

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  13. If a x^(2)+6 x y+b y^(2)-10 x+10 y-6=0 represents a pair of perpendicu...

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  14. The difference of slopes of the lines represented by y^(2)-2 x y sec ^...

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  15. The angle between the pair of lines 2(x+2)^(2)+3(x+2)(y-2)-2(y-2)^(2)=...

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  16. The equation of the pair of lines through (1,-1) and perpendicular to ...

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  17. The equation of the line common to the pair of lines (p^(2)-q^(2)) x^(...

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  18. If the pair of lines given by (x^(2)+y^(2)) sin ^(2) alpha=(x cos alph...

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  19. If a, h, b are in A.P. then the triangular area formed by the pair of ...

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  20. If the equation a x^(2)+5 x y-6 y^(2)-10 x+11 y+c=0, represents two pe...

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