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The angle between the lines formed by jo...

The angle between the lines formed by joining the points (2, -3), (-5, 1) and (7, -1), (0, 3) is

A

`pi//2`

B

`pi//4`

C

`0`

D

`pi//6`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-STRAIGHT LINES-PRACTICE EXERCISE
  1. If the acute angle between the lines 2x+3y-5=0, 5x+ky-6=0 is pi//4, th...

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  2. Angle between the lines sqrt(3)x+y+1=0, x+1=0 is

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  3. The angle between the lines formed by joining the points (2, -3), (-5,...

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  4. Slopes of the lines making an angle 45^(@) with the line x-2y=3 are

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  5. The orthocentre of the Delta^( l e) formed by (0,0), (8,0),(4,6) is

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  6. The orthocentre of the triangle formed by (1,-3),(6,1),(4,-1) is

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  7. The orthocentre of the triangle whose sides are given by 4x-7y+10=0,x+...

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  8. Circumcentre of the trianlge formed by the points (2,3),(0,1),(4,1) is

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  9. The circumcentre of the triangle formed by the lines x+y-1=0,x-y-1=0,x...

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  10. Foot of the perpendicular draw from (7,6) on y-axis is

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  11. Image of (2,3) w.r.t (0,0) is

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  12. Reflection of x=3 in y-axis is

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

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  14. If PM is the perpendicular from P(2,3) on to the lie x+y=3 the M=

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  15. The foot of the perpendicular drawn from (1,4) to a line L is (2,5), ...

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

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

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  19. If a vertex of an equilateral triangle is the origin and the side oppo...

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  20. The quadrilateral formed by the lines sqrt(3)x+y=0,sqrt(3)y+x=0, sqrt(...

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