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Define zero vector....

Define zero vector.

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Zero vector can be defined as a vector having zero magnitude and an arbitrary direction is called zero or null vector.
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RD SHARMA-ALGEBRA OF VECTORS-Solved Examples And Exercises
  1. Find a vector vec r of magnitude 3sqrt(2) units which makes an angle ...

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  2. A vector vec r is inclined at equal angle to the three axes. If the m...

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  3. Define zero vector.

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  4. Define unit vector.

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  5. Define position vector of point.

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

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

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

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

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

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

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

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

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

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

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

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