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The vector area of triangle whose sides ...

The vector area of triangle whose sides are `veca,vecb,vecc` is

A

`(1)/(2)|vecbxxvecc+veccxxveca+vecaxxvecb|`

B

`(1)/(2)|vecbxxvecc+veccxxveca+vecb|`

C

`(1)/(3)|vecbxxvecc+veccxxveca+vecb|`

D

`(1)/(2)|-vecbxxvecc+veccxxveca+vecb|`

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The correct Answer is:
A
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NARAYNA-VECTORS-C.U.Q
  1. Choose the false statement.

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  2. Three vectors satisfy the relation A.B =0 and A.C=0 then A is paralle...

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  3. Let vecF be a force acting on a particle having positon vector vecr. L...

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  4. (vecAxxvecB)+(vecBxxvecA) is equal to

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  5. If vecC=vecAxxvecB, then vecC is

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  6. If vecA and vecB are two vectors, then which of the following is wrong...

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  7. The angle between (vecAxxvecB) and (vecBxxvecA) is (in radian)

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  8. If none of the vectors vecA,vecB and vecC are zero and if vecAxxvecB=0...

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  9. Choose th false statement

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  10. If vecA,vecB and vecC are coplanar vectors, then

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  11. If vecA along North and vecB vertically upward then the directions of ...

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  12. The angle between (vecA+vecB)&(vecAxxvecB)

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  13. The position vector vecr and linear momentum vecp and vecr=hati and ve...

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  14. The vector area of triangle whose sides are veca,vecb,vecc is

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  15. Set the following vectors in the increasing order to their magnitude. ...

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  16. Arrangement the vectors additions so that their magnitude are in the i...

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  17. Arrange the vector subtractions so that their magnitude are in decreas...

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  18. Set the angles made by following vectors with x-axis in the increasing...

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  19. Arrange the dot products in increasing order (a) vecA and vecB are...

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  20. Arrange the magnitude of cross products in the decreasing order. (a)...

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