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Show that the vectors 2 hat i-3 hat j+4...

Show that the vectors `2 hat i-3 hat j+4 hat k`and `-4 hat i+6 hat j-8 hat k`are collinear.

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To show that the vectors \( \mathbf{A} = 2 \hat{i} - 3 \hat{j} + 4 \hat{k} \) and \( \mathbf{B} = -4 \hat{i} + 6 \hat{j} - 8 \hat{k} \) are collinear, we need to establish that one vector can be expressed as a scalar multiple of the other. ### Step-by-Step Solution: 1. **Define the Vectors**: Let \( \mathbf{A} = 2 \hat{i} - 3 \hat{j} + 4 \hat{k} \) and \( \mathbf{B} = -4 \hat{i} + 6 \hat{j} - 8 \hat{k} \). 2. **Set Up the Collinearity Condition**: ...
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Show that the vectors 2 hat i-3 hat j+4 hat k\ a n d-4 hat i+6 hat j-8 hat k are collinear.

For what value of a the vectors 2 hat i-\ 3 hat j+4 hat k and a hat i+6 hat j-8 hat k are collinear?

For what value of a the vectors 2 hat i-3 hat j+4 hat k\ a n d\ a hat i+6 hat j-8 hat k are collinear?

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Show that the vectors vec a=-2 hat i-2 hat j+4 hat k ,\ vec b=-2 hat i+4 hat j-2 hat k\ a n d\ vec c=4 hat i-2 hat j-2 hat k are coplanar.

Show that the vectors 2 hat i- hat j+ hat k , hat i-3 hat j-5 hat k and 3 hat i-4 hat j-4 hat k form the vertices of a right angled triangle.

Show that the points whose position vectors are 5 hat i+5 hat k ,\ 2 hat i+ hat j+3 hat k\ a n d-4 hat i+3 hat j- hat k are collinear.

Show that the vectors veca= hat i-2 hat j+3 hat k , vecb=-2 hat i+3 hat j-4 hat ka n d vec c= hat i-3 hat j+5 hat k are coplanar.

Show that the vector 2 hat i- hat j+ hat k ,\ hat i-3 hat j-5 hat k ,\ 3 hat i-4 hat j-4 hat k form the sides of a rights angled triangle.

Find a vector of magnitude 49, which is perpendicular to both the vectors 2 hat i+3 hat j+6 hat k and 3 hat i-6 hat j+2 hat k . Find a vector whose length is 3 and which is perpendicular to the vector vec a=3 hat i+ hat j-4 hat k and vec b=6 hat i+5 hat j-2 hat k .

NCERT ENGLISH-VECTOR ALGEBRA-EXERCISE 10.2
  1. If vec aand vec bare two collinear vectors, then which of the foll...

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  2. In triangle ABC (Figure), which of the following is not true: (A) ...

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  3. Show that the vectors 2 hat i-3 hat j+4 hat kand -4 hat i+6 hat j-8 h...

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  4. Find a vector in the direction of vector 5 hat i- hat j+2 hat kwhich ...

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  5. Find the direction cosines of the vector joining the points A(1, 2, 3...

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  6. Find the direction cosines of the vector hat i+2 hat j+3 hat k.

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  7. Find the position vector of a point R which divides the line joining ...

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  8. Show that the vector hat i+ hat j+ hat k is equally inclined to the ...

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  9. Show that the points A, B and C with position vectors, veca=3 hat i-...

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  10. Find the position vector of the mid point of the vector joining the p...

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  11. Find the unit vector in the direction of vector vec(PQ), where P an...

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  12. For given vectors, -> a=2 hat i- hat j+2 hat kand -> b=- hat i+ hat...

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  13. Write two different vectors having same magnitude.

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  14. Write two different vectors having same direction.

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  15. Compute the magnitude of the following vectors: veca= hat i+ hat j+ h...

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  16. Find the sum of the vectors -> a= hat i-2 hat j+ hat k , -> b=-2 hat...

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  17. Find the unit vector in the direction of the vector veca= hat i+ ha...

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  18. Find the values of x and y so that the vectors 2 hat i+3 hat jand x h...

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  19. Find the scalar and vector components of the vector with initial poin...

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