14. Let L be the set of all lines in XY plane and R be the relation in L defined as is parallel to }. Show that R is an equivalence relation. Find the set of all lines related to the line y = 2x + 4.
14. Let L be the set of all lines in XY plane and R be the relation in L defined as is parallel to }. Show that R is an equivalence relation. Find the set of all lines related to the line y = 2x + 4.
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