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The position vector of a point is R=xhat...

The position vector of a point is `R=xhati+yhati+zhatk` and another vector is `A=3hati+2hatj+5hat`. Which of the mathematical relationns is correct?

A

`nabla(A*R)=0`

B

`nabla(A*R)=A`

C

`nabla(A*R)=R`

D

none of these

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The projection of the vector vecA = hat - 2hatj + hatk on the vector vecB = 4hati - 4hatj + 7hatk is

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