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1. Find all the elements in the following set. A = {x ER: x2 = x} x {x Z :x2 = 1} 2. Sketch A

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1. Find all the elements in the following set. A = {x ER: x2 = x} x {x Z :x2 = 1} 2. Sketch A in R2. 3. For the set A found in (1), are the following true? (a) D E A, (b) 0 E P(A) (c) 0 CA (d) 0 C P(A). 4. How many elements are there in P(A)

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