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Define unit vector....

Define unit vector.

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
  1. A vector vecr is inclined at equal angle to the three axes. If the ma...

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  2. Define zero vector.

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  3. Define unit vector.

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  4. Define position vector of point.

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  5. Write vec P Q+ vec R P+ vec Q R in the simplified form.

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  6. If vec a\ a n d\ vec b represent two adjacent sides of a parallel th...

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  7. If vec a ,\ vec b ,\ vec c\ represent the sides of a triangle take...

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  8. If vec a ,\ vec b ,\ vec c are position vectors of the vertices A ,...

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  9. If vec a ,\ vec b ,\ vec c are position vectors of the vertices of ...

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  10. If vec a ,\ vec b ,\ vec c are position vectors o the point A ,\ B ...

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  11. If G denotes the centroid of Delta \ A B C ,\ then write the value of...

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  12. If D is the mid point of side BC of a triangle ABC such that vec A B+...

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  13. If D ,\ E ,\ F are the mid points of the side B C ,\ C A and A B respe...

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  14. If vec a\ is a non zero vecrtor iof modulus a and m is a non zero s...

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  15. If vec a ,\ vec b ,\ vec c are the position vectors of the vertices...

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  16. Write a unit vector making equal acute angle with the coordinates axes...

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  17. If a vector makes angle alpha,beta,gamma with OX, OY and OZ respective...

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  18. Write a vector of magnitude 12 units which makes 45^0 angle with X-...

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  19. Write the length (magnitude) of a vector whose project on the coordina...

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  20. Write the position vector of a point dividing the line segment joining...

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