Question: * 2. (a) Explain why the set {a, b} is equal to the set {b, a}. (b) Explain why the set {a, b, b,

* 2. (a) Explain why the set {a, b} is equal to the set {b, a}. (b) Explain why the set {a, b, b,

* 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] x +2=0}, 030 B = { x R] x = 4 or x = 9), D={x R[x>0}. Respond to each of the following questions. In each case, explain your an- swer.

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