Question

A vector A is along the positive x-axis. If B is another vector such that AxB is zero, then B could
be​

Answer 1

Answer:

A vector

is along the positive

- axis . If

is another vector such that

is zero , then

could be

Answer 2

Answer:

Parallel to A or the zero vector (which is again.. well, parallel to A ).

That is, there exists a λ∈R such that:

B=λA

In fact, a definition of two vectors being called parallel to each other, is that their cross product is 0.

Explanation:

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