a. Is 3 {1, 2, 3} b. Is 1 {1} c. Is {2}{1, 2} d. Is {3}{1,{2},{3}} e. Is 1 {1} f. Is
Chapter 1, Problem 9(choose chapter or problem)
a. Is 3 {1, 2, 3}? b. Is 1 {1}? c. Is {2}{1, 2}? d. Is {3}{1,{2},{3}}? e. Is 1 {1}? f. Is {2}{1,{2},{3}}? g. Is {1}{1, 2}? h. Is 1 {{1}, 2}? i. Is {1}{1,{2}}? j. Is {1}{1}?
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