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The quadrilateral formed by the pair of ...

The quadrilateral formed by the pair of lines `x y+x+y+1=0, x y+3 x+3 y+9=0` is a

A

parallelogram

B

rhombus

C

rectangle

D

square

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The correct Answer is:
D
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
  1. If the lines 2 x^(2)+7 x y+3 y^(2)-9 x-7 y+k=0 represents a pair of li...

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  2. The equation of bisectors of the angle between the two lines 2 x^(2)-3...

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  3. The quadrilateral formed by the pair of lines x y+x+y+1=0, x y+3 x+3 y...

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

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

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

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

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

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

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

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  13. 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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  14. 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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  15. The difference of slopes of the lines represented by y^(2)-2 x y sec ^...

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

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

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

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

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

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