If z≠y and z·y≠0, which of the following may be true? Pick one.
A) z=y
B) (z+y)(z-y)=0
C) z.y=0
D) z^2=y^2
E) z^2+y^2=0
except (z+y)(z-y)=0 all conditions are not as per question   (z+y)(z-y)=0
<result>B</result>
If z≠y and z·y≠0, which of the following may be true?