What is the value of {(AxB).(C.D)x(AxB).(C.D)}? For the four vectors A, B, C and D, with A, B, C and D all lying in the same plane?

‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3(i + j + k)

What is the value of {(AxB).(C.D)x(AxB).(C.D)}? For the four vectors A

1.	What is the value of {(AxB).(C.D)x(AxB).(C.D)}? For the four vectors A, B, C and D, with A, B, C and D all lying in the same plane?
A.	i + j + k
B.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3(i + j + k)
C.	0
D.	-1(i + j + k)
Answer» B. ‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3(i + j + k)