If R1 and R2 are binary relations from set A to set B, then the equal – McqOptions

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1.	If R1 and R2 are binary relations from set A to set B, then the equality ______ holds.
A.	(Rc)c = Rc
B.	(A x B)c = Φ
C.	c = Rcb) (A x B)c = Φc) (R1 U R2)c = R1c ∪ R2c
D.	(R1 U R2)c = R1c ∩ R2c
Answer» D. (R1 U R2)c = R1c ∩ R2c

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