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[," 21.If "A={1,2,3,...,9}" and "R" is t...

[," 21.If "A={1,2,3,...,9}" and "R" is the relation "," the relation on "],[" lors,belhi "2010," in "A times A" defined by "(a,b)R(c,d)," if ",[R={(a,b):a,b],[a+d=b+c" for "(a,b),(c,d)" in "A times A]," relation.Hors "],[f(x)=(3-x^(3))^(1/3),,[" Prove that "R" is an equivalence relation."],[" Also,obtain the equivalence class "[(2,5)]],[" real numbers "],[S={(a,b):a,b]],[" (i) "," Hors; Delhi "2014," refloxive pow "]

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Let A={1,2,3,......,9} and R be the relation in AxA defined by (a,b)R(c,d) if a+d=b+c for (a,b),(c,d) in AxA. Prove that R is an equivalence relation.Also obtain the equivalence class [(2,5)].

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