* 2. (a) Explain why the set {a, b} is equal to the set {b, a}....
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* 2. (a) Explain why the set {a, b} is equal to the set {b, a}. (b) Explain why the set {a, b, b, a, c} is equal to the set {b, c, a}. Exercises for Section 5.1 * 1. Assume the universal set is the set of real numbers. Let A=(-3,-2, 2, 3), C = {x €R] x² +2=0}, 030 B = { x € R] x² = 4 or x² = 9), D={x €R[x>0}. Respond to each of the following questions. In each case, explain your an- swer. * 2. (a) Explain why the set {a, b} is equal to the set {b, a}. (b) Explain why the set {a, b, b, a, c} is equal to the set {b, c, a}. Exercises for Section 5.1 * 1. Assume the universal set is the set of real numbers. Let A=(-3,-2, 2, 3), C = {x €R] x² +2=0}, 030 B = { x € R] x² = 4 or x² = 9), D={x €R[x>0}. Respond to each of the following questions. In each case, explain your an- swer.
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A The set a b is equal to the set b a because order does not matter when it co... View the full answer
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