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Evaluate the following products: (2,-1,1...

Evaluate the following products: `(2,-1,1)*(3,4,-1)`.

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PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. Evaluate the following products: (3 hat i-6 hat j+2 hat k)*(2 hat i+ha...

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  2. Evaluate the following products: (2 hat i+3 hat j)*(-hat i+3 hat j +ha...

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  3. Evaluate the following products: (2,-1,1)*(3,4,-1).

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  4. Taking vec a= 2 hat i-3 hat j- hat k and vec b=hat i+4 hat j-2 hat k, ...

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  5. If vec a=3 hat i+4 hat j and vec b=hat i-hat j+hat k, find the value o...

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  6. Find the magnitude of vec a=(hat i+3 hat j- 2 hat k)*(-hat i+3 hat k).

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  7. Given |quad vec a|=10,|quad vec b|=2 and vec a *vec b=12, find | vec a...

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  8. Define vec a*vec b where vec a and vec b are any two vectors. Find ve...

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  9. Find a unit vector perpendicular to both the vectors hat i-2 hat j+3 h...

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  10. Find a unit vector perpendicular to both the planes of vec a and vec b...

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  11. Find a unit vector perpendicular to the plane of two vectors a=hat(i)-...

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  12. Find the equation of a plane through the points (3,-1,2), (1,-1,-3) an...

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  13. Find a unit vector perpendicular to each of the vectors hat i+2 hat j+...

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  14. Find the sine of the angle between the vectors : (3,0,3) and (1,2,-7)

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  15. Find the sine of the angle between the vectors : 2 hat i+ 4 hat j+ 4 ...

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  16. Determine the area of the parallelogram whose adjacent sides are the ...

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  17. Find the area of the parallelogram having two adjacent sides OA and OB...

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  18. Find the area of triangle PQR where P,Q,R have respectively coordinate...

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  19. Find the area of the triangle formed by O,A,B where : vec OA= hat i+ ...

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  20. Find the area of the triangle formed by O,A,B where : vec OA= 3 hat i...

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