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Two vectors hat j + hat k and 3 hat i ...

Two vectors ` hat j + hat k` and ` 3 hat i - hat j + 4 hat k` represents the two side vectors ` vec AB and vec AC` respectively of `Delta ABC` Find the length of median from A.

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The two vectors hat j+ hat k and 3 hat i- hat j+4 hat k represent the two side vectors vec A B and vec A C respectively of triangle A B Cdot Find the length of median the through Adot

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RD SHARMA ENGLISH-ALGEBRA OF VECTORS-All Questions
  1. If vec a= hat i+ hat j+ hat k , vec b=4 hat i-2 hat j+3 hat k and ve...

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  2. If vec a= hat i+ hat j+ hat k ,\ vec b=2 hat i- hat j+3 hat k\ a n d...

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  3. Two vectors hat j + hat k and 3 hat i - hat j + 4 hat k represents t...

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  4. Find a vector magnitude 5 units, and parallel to the resultant of t...

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  5. If a\ a n d\ b ar non collinear vector such that x1 vec a+y1 vec b=x2 ...

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  6. Show that the points with position vectors vec a-2 vec b+3 vec c ,\ -...

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  7. Show that the three points A(-2, 3,5); B(1, 2, 3) and C(7, 0, -1) are ...

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  8. The position vectors of the points P ,\ Q ,\ R are hat i+2 hat j+3 ha...

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  9. Show that the point A ,B ,C with position vectors vec a-2 vec b...

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  10. If a ,\ b ,\ c are non coplanar vectors prove that the points having t...

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  11. If a ,\ b ,\ c are non coplanar vectors prove that the points having t...

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  12. Prove that the points having position vectors hat i+2 hat j+3 hat k ,...

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  13. If the points with position vectors 10 hat i+3 hat j ,12 hat i-5 ha...

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  14. If vec a , vec b are two non-collinear vectors, prove that the poi...

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  15. If vec A O+ vec O B= vec B O+ vec O C , prove that A , B , C are coll...

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  16. If the points A(m ,-1),\ B(2,1)a n d\ C(4,5) are collinear find the va...

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  17. Show that the vectors 2 hat i-3 hat j+4 hat k\ a n d-4 hat i+6 hat j-8...

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  18. Show that the points (3,4), (-5, 16), (5,1) are collinear.

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  19. If the vectors vec a=2 hat i-3 hat j\ a n d\ vec b=-6 hat i+m hat j ...

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  20. Show that the points A(1, -2, -8), B(5, 0, -2) and C(11, 3, 7) are col...

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