1.Let RRR and SSS be two equivalence relations in a set AAA. Thena.R∪SR \cup SR∪S is an equivalence relation in AAAb.R∩SR \cap SR∩S is an equivalence relation in AAAc.R−SR - SR−S is an equivalence relation in AAAd.none of theseLogin to continueOnly logged in users canattempt or see the solution.