Consider the following relation on set B = {a, b, {a}, {b}, {a, b}}: P = {(a, b), (b, {a, b}), ({a, b}, a), ({b}, a), (a, {a})}. Which one of the following alternatives represents the range of P (ran(P))? 1. {a, b, {a}, {a, b}} 2. {a, b, {a}, {b}, {a, b}} 3. {a, b, {b}, {a, b}} 4. {a, b, {a, b}}
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The range of a relation is the set of the second coordinates from the ordered pairs.
Answer: 1. {a, b, {a}, {a, b}}