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If A(-2,1),B(2,3)a n dC(-2,-4) are three...

If `A(-2,1),B(2,3)a n dC(-2,-4)` are three points, find the angle between `B Aa n dB Cdot`

A

`tan^(-1) (3/5)`

B

`tan^(-1) (2/3)`

C

`tan^(-1) (3/2)`

D

none of these

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The correct Answer is:
B
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ARIHANT SSC-CO-ORDINATE GEOMETRY-INTRODUCTORY EXERCISE 21.2
  1. If A(-2,1),B(2,3)a n dC(-2,-4) are three points, find the angle betwee...

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  2. Find the equation of the line with slope 2/3 and intercept on the y-ax...

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  3. Find the slope and the intercept on the y-axis of the line sqrt3 x + 3...

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  4. Find the equation of the line passing through the point (2,-3) and hav...

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  5. Find the equation of the line which cuts off intercepts 2 and 3 from t...

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  6. Find the intercepts made by the line 3x+4y - 12 =0 on the axes :

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  7. Find the equation of the line through the points (-1,-2) and (-5,2) :

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  8. Find the equation of the straight line passing through the point (-1,4...

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  9. Find the equation of the straight line which makes equal intercepts on...

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  10. Find the equation of the straight line making intercepts on the axes e...

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  11. Find the equation of the line passing through the point (-4,-5) and pe...

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  12. A straight line intersect the x axis at a and the y axis at b. ab is d...

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  13. Find the equation of the straight line which passes through the point ...

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  14. A straight line passes through the points (a,0) and (0,b) . The length...

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  15. A firm produces 50 units of a good for Rs. 320 and 80 units for Rs. 38...

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  16. Find the equation of the line on which length of the perpendcular from...

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  17. Find the equation of the line which passes through the point (3,-4) a...

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  18. Find the equation of the line joining the points of intersection of 2x...

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  19. Find the equation of one of the two line which pass through the point ...

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  20. Find the equation of the straight line which passes through the point ...

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  21. Find the equation of a line which passes through the point (1,1) and t...

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