Suppose u and v are vectors in 3-space. Which of the following statements is/are true?

A. u . v is a scalar
B. u x v x u = 0

1. Only A
2. Only B
3. Both A and B
4. Neither A nor B

Question

Suppose u and v are vectors in 3-space. Which of the following statements is/are true?

A.	u . v is a scalar
B.	u x v x u = 0

1.	Only A
2.	Only B
3.	Both A and B
4.	Neither A nor B

anonymous · Answer

is A supposed to be the inner product (dot product)?

anonymous · Answer

if thats a dot product then its only A.  B isnt true.

myininaya · Answer

hey joe! :)

anonymous · Answer

morning :)

didee · Answer

yes, it's a dot product. thanks for you help

anonymous · Answer

myininaya aren't you late for class?

didee · Answer

Got another question. Can't type it out on this editor so had to make it a picture to attach.

anonymous · Answer

A is true and B is false

didee · Answer

thanks, which question are you referring to, the original question or the question attached via picture?

zarkon · Answer

in your picture only B is true