If two functions A and B are discrete, their Green‚Äö√Ñ√∂‚àö√ë‚àö¬•s value for a region of circle of radius a in the positive quadrant is$

‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™

-‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™

If two functions A and B are discrete, their Green‚Äö√Ñ√∂�

1.	If two functions A and B are discrete, their Green‚Äö√Ñ√∂‚àö√ë‚àö¬•s value for a region of circle of radius a in the positive quadrant is$
A.	‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™
B.	-‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™
C.	0
D.	Does not exist
Answer» E.