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Each question given below have four poss...

Each question given below have four possible answers, out of which only one is correct. Choose the correct one.
If `a = hat(i) + 2hat(j) - hat(k), b = hat(i) + hat(j) + 2hat(k), c = 2hat(i) - hat(j)`, then

A

`a bot b`

B

`a bot c`

C

`a bot c`

D

no pair of vectors are perpendicular

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The correct Answer is:
C
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ARIHANT PUBLICATION-VECTOR ALGEBRA -Odisha Bureau.s Textbook Solutions (Exercise 12(b))
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  4. If vec(a)*vec(b)=vec(c)*vec(a) for all vectors vec(a), then

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  5. Find the scalar product of the following pairs of vectors and the angl...

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  6. Find the scalar product of the following pairs of vectors and the angl...

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  7. Find the scalar product of the following pairs of vectors and the angl...

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  8. Find the scalar product of the following pairs of vectors and the angl...

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  9. If A,B,C are the points (1,0,2), (0,3,1) and (5,2,0) respectively, fin...

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  10. Find the value of lambda so that the vectors veca and vecb are perpend...

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  11. Find the value of lambda so that the vectors veca and vecb are perpend...

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  12. Find the value of lambda so that the vectors veca and vecb are perpend...

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  13. Find the value of lambda so that the vectors veca and vecb are perpend...

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  14. Find the scalar and vector projection of veca on vecb. veca = hati, v...

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  15. Find the scalar and vector projections of vec a on vec b vec a = ha...

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  16. Find the scalar and vector projections of vec a on vec b vec a = hat...

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  17. In each of the problems given below, find the work done by a force F a...

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  18. In each of the problems given below, find the work done by a force F a...

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  19. In each of the problems given below, find the work done by a force vec...

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  20. In each of the problems given below, find the work done by a force F a...

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