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Find the projection of vector hat i+...

Find the projection of vector ` hat i+3 hat j+7 hat k` on the vector `7 hat i- hat j+8 hat kdot`

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choose the correct answer from the given alternatives :3 the projection of the vector vec a =2hat i - hat j +hat k on the vectors hat b= hat i- 2 hat j +hat k will be

If the scalar projection of vector x hat i- hat j+ hat k on vector 2 hat i- hat j+5 hat k , is 1/(sqrt(30)) ,then find the value of xdot

Find the resultant of vectors vec a= hat i- hat j+2 hat k and vec b= hat i+2 hat j-4 hat kdot Find the unit vector in the direction of the resultant vector.

Find the direction cosines of the vector hat i+2 hat j+3 hat kdot

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Find the area of the parallelogram whose adjacent sides are determined by the vectors vec a= hat i- hat j+3 hat ka n d vec b=2 hat i-7 hat j+ hat kdot

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CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
  1. If vec r. hat i= vec r.hat j= vec r.hat ka n d| vec r|=3, then find t...

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  2. If vec a , vec b ,a n d vec c are non-zero vectors such that vec a...

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  3. Find the projection of vector hat i+3 hat j+7 hat k on the vector ...

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  4. If theta is th angle between the unit vectors a and b , then prove ...

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  5. Let veca , vecb , and vecc be three non-coplanar unit vectors...

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  6. Given unit vectors hat m , hat n and hat p such that angel between h...

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  7. Let vec a , vec b ,a n d vec c be non-coplanar vectors and let the...

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  8. Vector vec O A= hat i+2 hat j+2 hat k turns through a right angle ...

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  9. Find | vec axx vec b| , if vec a= hat i-7 hat j+7 hat k and vec b=3 h...

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  10. Let the vectors vec a and vec b be such that | vec a|=3 and | vec b|=...

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  11. Show that ( vec a- vec b)xx( vec a+ vec b)=2( vec axx vec b)dot

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  12. Let vec a= hat i+4 hat j+2 hat k , vec b=3 hat i-2 hat j+7 hat ka n d...

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  13. If A ,Ba n dC are the vetices of a triangle A B C , then prove sine...

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  14. Using cross product of vectors , prove that sin (A+B)=sin A cosB + cos...

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  15. Find a unit vector perpendicular to the plane determined by the poin...

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  16. If vec a and vec b are two vectors, then prove that ( vec axx vec b...

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  17. In isosceles triangles A B C ,| vec A B|=| vec B C|=8, a point E divid...

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  18. Prove that in a tetrahedron if two pairs of opposite edges are perp...

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  19. Let vec a , vec b , and vec c are vectors such that | vec a|=3,| vec ...

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  20. If | vec a|=| vec b|=| vec a+ vec b|=1, then find the value of | vec a...

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