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Given unit vectors hat m , hat na n d h...

Given unit vectors ` hat m , hat na n d hat p` such that angel between ` hat ma n d hat n` is `alpha` and angle between ` hat pa n d( hat mxx hat n)` is also `alpha,then[ hat n hat p hat m]=`

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CENGAGE ENGLISH-VECTOR ALGEBRA-All Questions
  1. If theta is th angle between the unit vectors a and b , then prove ...

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

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  3. Given unit vectors hat m , hat na n d hat p such that angel between ...

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

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

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  6. The base of the pyramid A O B C is an equilateral triangle O B C with ...

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

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

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

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

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

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

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

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

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

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

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  19. If vec A=4 hat i+6 hat ja n d vec B=3 hat j+4 hat k , then find the c...

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  20. A particle acted by constant forces 4 hat i+ hat j-3 hat k and 3 hat...

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