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The diagonals of a parallelogram PQRS ar...

The diagonals of a parallelogram PQRS are along the lines x+3y =4 and 6x-2y = 7, Then PQRS must be :

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
  1. If each of the points (x1,4),(-2,y1) lies on the line joining the poi...

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  2. If the lines a1x+b1y+1=0,a2x+b2y+1=0 and a3x+b3y+1=0 are concurrent,...

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  3. The diagonals of a parallelogram PQRS are along the lines x+3y =4 and ...

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  4. For the straight lines 4x+3y-6=0 and 5x+12 y+9=0, find the equation of...

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  5. A straight line segment of length/moves with its ends on two mutually ...

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  6. Find the foot of the perpendicular from the point (2,4) upon x+y=1.

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  7. The lines x+y-1=0,(m-1)x+(m^2-7)y-5=0, and (m-2)x+(2m-5)y=0 are ...

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  8. In triangleABC, vertex A is (1, 2). If the internal angle bisector of ...

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  9. The equation of the line which bisects the obtuse angle between the li...

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  10. If the line ax+ by =1 passes through the point of intersection of y...

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  11. A straight line L is perpendicular to the line 5x-y=1 . The area of th...

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  12. The reflection of the point (4,-13) about the line 5x+y+6=0 is (-1,-14...

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  13. Triangle A B C with A B=13 ,B C=5, and A C=12 slides on the coordinate...

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  14. The line y=(3x)/4 meets the lines x-y+1=0 and 2x-y=5 at A and B respec...

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  15. In a plane there are two families of lines y=x+r, y=-x+r, where r in {...

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  16. Line x/a+y/b=1 cuts the co-ordinate axes at A(a,0) and B(0,b) and the ...

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  17. If P is a point (x ,y) on the line y=-3x such that P and the point...

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  18. The points (1, 3) and (5, 1) are two opposite vertices of a rectangle...

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  19. The ends A and B of a straight line segment of constant length c slide...

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  20. All points lying inside the triangle formed by the points (1. 3). (5, ...

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