Considering element connectivity, for example for element =[ 1, 2]n for element n, then the variational form is ______________

Considering element connectivity, for example for element =[ 1, 2]n

1.	Considering element connectivity, for example for element =[ ₁, ₂]ⁿ for element n, then the variational form is ______________
A.	<sup>T</sup>(KQ F)=0
B.	(KQ-F)=0
C.	(KQ)=F
D.	(F)=0
Answer» B. (KQ-F)=0