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If vec (a) = 2 hat (i) - 3 hat (j) + 4 ...

If ` vec (a) = 2 hat (i) - 3 hat (j) + 4 hat (k) and vec(b) = - 6 hat (i) + 9 hat (j) - 12 hat (k) , ` then

A

`vec(a) bot vec(b)`

B

`vec(a) "||"vec(b)`

C

angle between the vectors is `cos^(-1). 3/4`

D

angle between the vectors is `pi/3`

Text Solution

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The correct Answer is:
b
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