Which of the following is an equivalence relation on R, for a, b ∈ – McqOptions

MCQOPTIONS

1.	Which of the following is an equivalence relation on R, for a, b ∈ Z?
A.	(a-b) ∈ Z
B.	∈ Zb) (a2+c) ∈ Z
C.	∈ Zc) (ab+cd)/2 ∈ Z
D.	/2 ∈ Zd) (2c3)/3 ∈ Z
Answer» C. ∈ Zc) (ab+cd)/2 ∈ Z

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