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If veca and vecb are unit vector...

If `veca and vecb` are unit vectors, then angle between `veca and vecb` for `sqrt3 ​ veca − vec`b to be unit vector is

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CENGAGE ENGLISH-VECTOR ALGEBRA-All Questions
  1. [(vecaxxvecb) (veccxxvecd) (vecexxvecf)]is equal to (a)[vecavecbvec...

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  2. vec ba n d vec c are non-collinear if vec axx( vec bxx vec c)+( vec a...

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  3. If veca and vecb are unit vectors, then angle between veca ...

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  4. If vec a| vec b , then vector vec v in terms of vec aa n d vec b sa...

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  5. If vec a^'= hat i+ hat j , vec b^'= hat i- hat j+2 hat k and vec c^' ...

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  6. If vec a= hat i+ hat j , vec b= hat j+ hat k , vec c= hat k+ hat i , ...

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  7. If unit vectors vec aa n d vec b are inclined at angle 2theta such ...

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  8. Let vec a , vec ba n d vec c be three non-coplanar vectors and v...

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  9. Let vec a=a1 hat i+a2 hat j+a2 hat k , vec b=b1 hat i+a2 hat j+b2 hat...

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  10. A ,B ,Ca n dD are four points such that vec A B=m(2 hat i-6 hat j+2 h...

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  11. Let vec a= hat i+ hat j+ hat k , vec b= hat i- hat j+ hat ka n d vec ...

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  12. If hat a , hat b ,"and " hat c are unit vectors, then | hat a+hat b|^...

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  13. Which of the following expressions are meaningful? a. vec u.(vec vx...

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  14. Find the value of lambda if the volume of a tetrashedron whose vert...

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  15. Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d ve...

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  16. If ( vec axx vec b)xx( vec cxx vec d)dot( vec axx vec d)=0 , then whic...

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  17. Vector 1/3(2i-2j+k) is (A) a unit vector (B) makes an angle pi//3 ...

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  18. Let vec u and vec v be unit vectors such that vec uxx vec v+ vec u= ...

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  19. The scalarsla n dm such that l vec a+m vec b= vec c ,w h e r e vec a ,...

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  20. If O A B C is a tetrahedron where O is the orogin anf A ,B ,a n dC are...

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