1. Draw a diagram to explain the answer to the following questions.
Is it possible to have u↓v= 0?
Is it possible to have u↓v =undefined?
Is it possible to have u↓v=u↓v?
Explain why u↓(v↓w)=u↓w

Question

1.	Draw a diagram to explain the answer to the following questions. 
Is it possible to have u↓v= 0? 
Is it possible to have u↓v =undefined? 
Is it possible to have u↓v=u↓v? 
Explain why u↓(v↓w)=u↓w

anonymous · Answer

are those vectors?

amistre64 · Answer

i believe the arrow represents "approaches".  and in that structure it represents down the y axis

amistre64 · Answer

as u approaches v from the top; the limit can approach 0

anonymous · Answer

no
they are vectors

anonymous · Answer

sry

anonymous · Answer

what's the middle thing means, dot product, cross product?

anonymous · Answer

dot product

anonymous · Answer

dot product is zero when two vectors are ortagonal to each other