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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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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-COORDINATE GEOMETRY -CCE model examination
  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 ( 3 , 4) a...

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

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  6. P ( 2 , 2), Q ( - 4, 4) and R (5 , - 8) are the vertices of a DeltaPQR...

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

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

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

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  10. The distance of a point (alpha, beta) from the origin is ....

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

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

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

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  14. Slope of X-axis is .....

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  15. Slope of Y-axis is .....

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

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

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

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  19. If (0 , 0) , (a , 0) and (0 , b) are collinear , then ......

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

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