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Prove that ( vec a.hat i)( vec axx hat i...

Prove that `( vec a.hat i)( vec axx hat i)+( vec a.j)( vec axx hat j)+( vec a. hat k)( vec axx hat k)=0.`

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Prove that ( vec a.( vec bxx hat i)) hat i+( vec a.( vec bxx hat j)) hat j+( vec a.( vec bxx hat k)) hat k= vec axx vec b .

If hat ixx[( vec a- hat j)xx hat i]+ hat jxx[( vec a- hat k)xx hat j]+ hat kxx[( vec a- hat i)xx hat k]=0, then find vector vec adot .

Let vec aa n d vec b be mutually perpendicular unit vectors. Then for any arbitrary vec r , a. vec r=( vec rdot hat a) hat a+( vec rdot hat b) hat b+( vec rdot( hat axx hat b))( hat axx hat b) b. vec r=( vec rdot hat a)-( vec rdot hat b) hat b-( vec rdot( hat axx hat b))( hat axx hat b) c. vec r=( vec rdot hat a) hat a-( vec rdot hat b) hat b+( vec rdot( hat axx hat b))( hat axx hat b) none of these

If | vec a|=2, then find the value of | vec axx hat i|^2+| vec axx hat j|^2+| vec axx hat k|^2dot

If vec a.hat i= vec a.( hat i+ hat j)= vec a.( hat i+ hat j+ hat k) , then find the unit vector vec a

If aa n db are nonzero non-collinear vectors, then [ vec a vec b hat i] hat i+[ vec a vec b hat j] hat j+[ vec a vec b hat k] hat k is equal to a. vec axx vec b b. vec a+ vec b c. vec a- vec b d. vec bxx vec a

In each of the following show that the given vectors are coplanar: vec(a) = hat (i) + hat (j) - 6 hat (k) , vec(b) = hat (i) + 3 hat (j) + 4 hat (k) , vec(c) = 2 hat (i) + 5 hat (j) + 3 hat (k)

Find the scalar and vector components of vec(a) in the direction of vec(b) where vec(a) = 3 hat (i) + vec(j) + 3 hat (k) and vec(b) = hat (i) - hat (j) - hat (k)

Find the projection of vector (vec(b)+vec(c )) on vector vec(a) where vec(a) = hat (i) + 2 hat (j) + hat (k) , vec(b) = hat (i) + 3 hat (j) + hat (k) and vec c = hat (i) + hat (k)

Find the scalar and vector projection of vec(b) on a vec (a) where vec(a) = hat (i) + 2 hat (j) + 2 hat (k) and vec (b) = hat (j) + 2 hat (k)

CENGAGE PUBLICATION-VECTOR ALGEBRA-All Questions
  1. Let vectors vec a , vec b , vec c ,a n d vec d be such that ( vec ax...

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  2. The number of vectors of unit length perpendicular to vectors vec ...

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  3. Prove that ( vec a.hat i)( vec axx hat i)+( vec a.j)( vec axx hat j)+(...

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  4. Let vecf(t)=[t] hat i+(t-[t]) hat j+[t+1] hat k , w h e r e[dot] deno...

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  5. If vec a is parallel to vec bxx vec c , then ( vec axx vec b).( vec ...

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  6. The three vectors hat i+hat j,hat j+hat k, hat k+hat i taken two at a ...

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  7. If vec d= vec axx vec b+ vec bxx vec c+ vec cxx vec a is non-zero vec...

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  8. If |a|=2a n d|b|=3 and adotb=0,t h e n(axx(axx(axx(axxb)))) is equal t...

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  9. If the two diagonals of one its faces are 6 hat i+6 hat ka n d4 hat ...

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  10. The volume of a tetrahedron formed by the coterminous edges vec a ...

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  11. If vec a , vec b , and vec c are three mutually orthogonal unit vector...

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  12. Vector vec c is perpendicular to vectors vec a=(2,-3,1)a n d vec b...

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  13. Given vec a=x hat i+y hat j+2 hat k , vec b= hat i- hat j+ hat k , ve...

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  14. vec aa n d vec b are two unit vectors that are mutually perpendicu...

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  15. If vec ra n d vec s are non-zero constant vectors and the scalar ...

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  16. The scalar vec Adot [( ( vec B+ vec C)xx( vec A+ vec B+ vec C))] eq...

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  17. The volume of he parallelepiped whose sides are given by vec O A=2i...

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  18. For non-zero vectors vec a , vec b ,a n d vec c ,|( vec axx vec b)dot...

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  19. For three vectors vec u , vec va n d vec w which of the following ex...

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  20. Let vec A be a vector parallel to the line of intersection of pla...

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