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Let N denote the set of all natural numbers. Define two binary relations on N...

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Let N denote the set of all natural numbers. Define two binary relations on N asR? = {(x, y) ? N N: 2x + y = 10}and R? = {(x, y) ? N N: x + 2y = 10}. Then :(a) Both R? and R? are symmetric relations(b) Range of R? is {2, 4, 8}(c) Both R? and R? are transitive relations(d) Range of R? is {1,2,3,4}

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