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The foot of the perpendicular from (0, 0...

The foot of the perpendicular from (0, 0) to the line `x cos alpha+y sin alpha=p` is

A

`(cos alpha, sin alpha)`

B

`(p cos alpha, p sin alpha)`

C

`(p//cos alpha, p//sin alpha)`

D

`(p sin alpha, p cos alpha)`

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-STRAIGHT LINES -EXERCISE 1B
  1. The image of the line x+y-2=0 in the y-axis is

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  2. A : The foot of the perpendicular from (3, 4) on the line 3x-4y+5=0 is...

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  3. The foot of the perpendicular from (0, 0) to the line x cos alpha+y si...

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  4. Prove that the feet of the perpendicular from the origin on the lines ...

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  5. The image of the point (2, -1) w.r.t the point (1, -4) is

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  6. The image of the point (2, 1) w.r.t the line x+1=0 is

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  7. The image of the point (3, 4) w.r.t the line 3x+4y+5=0 is

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  8. The image of the point (3, 8) in the line x+3y=7 is

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  9. The coordinate of the image of the orgin O with respect to the straigh...

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  10. The reflection of the point (6, 8) in the line x = y is

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  11. The image of the point (4, -13) with respect to the line 5x+y+6=0 is :

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  12. If (-2, 6) is the image of the point (4, 2) with respect to the line L...

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  13. If the image of (-7//5, -6//5) in a line is (1, 2), then the equation ...

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  14. The image of the point (4, -13) with respect to the line 5x+y+6=0 is :

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  15. If the point (1, 2) is reflected through the origin and then through t...

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  16. A ray of light along x+sqrt(3)y=sqrt(3) gets reflected upon reaching x...

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  17. If 2x-3y-5=0 is the perpendicular bisector of the line segment joining...

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  18. If x+3y=16 is the perpendicular bisector of bar(AB) and A(5, 7), then...

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  19. If 2x+3y=5 is the perpendicular bisector of the line segment joining t...

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  20. Suppose A,B are two points on 2x-y+3=0 and P(1,2) is such that PA=PB. ...

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