NCERT Example 6 - Relations and Functions
Question: On A = {1, 2, 3, 4, 5, 6, 7}, let R = {(a, b) : both a and b are either odd or even}. Show R is an equivalence relation, and describe the two equivalence classes.
Answer: R is an equivalence relation with classes {1, 3, 5, 7} and {2, 4, 6}.
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