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If (hat i, hat j, hat k) are the usual t...

If `(hat i, hat j, hat k)` are the usual three perpendicular unit vectors, then the value of `hat i*( hat j xx hat k)+ hat j*(hat i xx hat k)+ hat k*(hat i xx hat j)` is

A

0

B

-1

C

1

D

3

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PRADEEP PUBLICATION-VECTORS-EXERCISE
  1. If θ is the angle between two vectors vec a and vec b, then vec a*vec ...

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  2. Let vec a and vec b be two unit vectors and θ is the angle between the...

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  3. If (hat i, hat j, hat k) are the usual three perpendicular unit vector...

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  4. If theta is the angle between any two vectors vec(a) and vec(b), "then...

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  5. If vec a is a non-zero vector, then (1/|vec a|) vec a is a..........

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  6. If vec a, vecb are non-collinear vectors, then vec a, vecb and vec a +...

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  7. The vector veca+vecb bisects the angle between the non collinear vecto...

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  8. If vec r* vec a =0 = vec r* vec b ,where vec a and vec b are non-copla...

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  9. If vec r* vec a =0 = vec r* vec b =0 and also vec r* vec c =0 for som...

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  10. If vec a and vec b are any two vectors, then (vec a xx vec b)^2 +(vec ...

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  11. If vec a is any non-zero vector, then (vec a*hat i)hat i + (vec a*hat ...

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  12. If a is any vector, then (a xxhati)^(2)+(axx hatj)^(2)+(axxhatk)^(2)...

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  13. If (atimesb)^(2)+(a*b)^(2)=144 and |a|=4, then find the value of |b|.

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  14. If a non-zero vector vec a makes an angle α with positive direction o...

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  15. The values of k, for which |k vec a| lt |vec a| and k vec a =1/2 vec a...

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  16. The vectors vec a=3 hat i+2 hat j+2hat k and vec b=-hat i +2hat k are ...

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  17. If vec a and vec b are any two vectors, then (vec a+ vec b)^2 +(vec a-...

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  18. If vec(a) + vec(b) + vec(c) = 0 and |vec(a)| = 3, |vec(b)| = 5, |vec(c...

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  19. If vec a is a non-zero vector and λ is a real number st. |λ vec a|= 1,...

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  20. If the vectors vec a, vec b, vec c are coplanar then (vec a xx vec b)*...

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