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If vec a,vecb,vecc are sides of triangle...

If `vec a,vecb,vecc` are sides of triangle taken in order then `avec+bvec+cvec `is:

A

`vec0`

B

0

C

`2|veca||vecb||vecc|`

D

`|veca|+|vecb|+|vecc|`

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The correct Answer is:
A
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PREMIERS PUBLISHERS-Vector Algebra -I-Choose Correct Option
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  2. Find which in suitable for the blank space given below:|veca.vecb|…….....

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  6. If veca +5vecb and 4veca+mvecbare parallel then m is :

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  7. If the projection of veca on vecb and projection of vecb on veca ar...

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  8. If 60^(@), 45^(@), alpha^(@)are the directional angles of a vector vec...

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  9. If aplha, beta, gamma are the directional angles of a vector then sin^...

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  12. The projection of 2veci-vecj+2veck on veci+2vecj+2veck is :

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  13. If vec a,vecb,vecc are sides of triangle taken in order then avec+bvec...

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  14. If veca=xveci+vecj-veck,vecb=veci-vecj-veck,vecc=veci-2vecj+3veck and ...

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  15. If the points where position vector 5veci+3vecj,2veci-vecj and xveci+3...

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  16. If vecaand vecb are unit vector which are included at an angle of 360^...

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  17. If veca and vecb are of equal magnitude and angle between them is 30^(...

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  18. In a quadrilateral ABCD, vecAB+vecBC+ vecCD is:

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  19. If the vectors 2veci+vecj-veck, veci+3vecj-4veck and -veci-4vecj+lambd...

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