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The position vector of the point which d...

The position vector of the point which divides the join of points `2 vec a -3 vec b` and `vec a+vec b` in the ratio 3: 1 is

A

`(3 vec a -2 vec b)/2`

B

`(7 vec a -8 vec b)/4`

C

`(3 vec a)/4`

D

`(5vec a)/4`

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PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. The magnitude of a vector can never be

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  2. The vector in the direction of the vector hat i- 2hat j +2hat k that h...

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  3. The position vector of the point which divides the join of points 2 ve...

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  4. The magnitude of the vector 6 hati+2 hat j+3 hat k is

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  5. The position vector of the point which divides the join of points with...

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  6. The value of λ for which the vectors 3 hat i-6hat j +hat k and 2 hat i...

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  7. If vec a and vec b are non-collinear proper vectors then number of uni...

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  8. If θ is the angle between two proper vectors vec a and vec b, then vec...

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  9. If vec a is any vector, then vec a*vec a

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  10. For any vector, vec a, vec a xx vec a

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  11. The vector having initial and terminal points as (2,5,0) and (-3,7,4) ...

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  12. The angle between two vectors vec a and vec b with Magnitudes sqrt3 an...

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  13. The value of λ for which the vectors vec a= 2 hat i+λ hat j+hat kand v...

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  14. Find the angle between the vectors hat i-hat j and hat j-hat k.

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  15. The vector with initial point P(2,-3,5) and terminal point Q(3,-4,7) i...

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  16. If vec a * vec a=0 thenvec a is a

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  17. If vec a and vec b are proper vectors such that vec b= λ veca for some...

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  18. For any two vectors vec a and vec b, which of the following is not tru...

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  19. The area of the parallelogram whose adjacent sides are hat i+hat k and...

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  20. If the vectors from the origin to the points A and B are . vec a= a ha...

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