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If points ( x , 0) , ( 0 , y) and ( 1 , ...

If points ( x , 0) , ( 0 , y) and ( 1 , 1) are collinear, then `(1)/(x) +(1)/(y)` = .......

A

1

B

`-1`

C

0

D

2

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BEYOND PUBLICATION-CO-ORDINATE GEOMETRY-EXERCISE
  1. A circle is draw with origin as centre and passing through ( 2 , 3) ...

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  2. The area of the triangle formed by ( a , b + c ) , (b , c +a) and ( c...

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  3. If points ( x , 0) , ( 0 , y) and ( 1 , 1) are collinear, then (1)/(x...

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  4. The point which divides the line segment joining the points ( 7, -6) a...

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  5. The points (a , 2a) , (3a , 3a) and (3 , 1) are collinear, then k = ...

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  6. A circle drawn with origin as centre passes through ((13)/(2),0) . The...

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  7. The distance of the point ( - 9 , 40) from the origin is .....

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  8. If ( - 2 , 8) and (6 , - 4) are the end points of the diameter of a c...

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  9. The angle between X-axis and Y-axis is ......

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  10. The midpoint of the line joining of ( 2 , 3) and ( - 2 , - 3) is .......

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  11. The slope of line join of (5 , -1) , (0 , 8) is .....

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  12. Slope of X-axis is .....

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  13. The centroid of the triangle whose vertices are (2 , - 3) , ( 4 , 6) ...

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  14. Two vertices of a triangle are (3 , 5) and ( - 4 , -5) . If the centr...

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  15. The ratio in which the point ( 4 , 8) divide the line segment joining...

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  16. If (-2 , -1) , (a , 0) , (4 , b) and (1 , 2) are the vertices of a par...

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  17. (-2,8) in ………..

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  18. If A , B , C are collinear then area of DeltaABC = .....

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  19. Area of triangle formed by ( - 4 , 0) ,(0 , 0) and (0 , 5) is ......s...

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  20. The value of p if the distance between (2 , 3) and (p, 3) is 5 is .....

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