Question

The value of A cap ·B cap cannot be-
1.1/2
2.-1/2
3.-3/2
4.1

Answer 1

Answer:

3) -3/2

Explanation:

 and B cap are two unit vectors, hence the dot product is |A||B|cosø = cosø. this cannot be out of the limits [-1,1].

Hence option 3 is not possible.