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# Which of the following sets are empty, singleton, equivalent and equal sets?  A = {x : $x^2$ = 9 and 2x = 3}B = {x : $x^2$ – 5x + 6 = 0, 2x = 6}  C = {x : $x^2$ – 4x + 3 = 0} D = {x : $x^2$ = 25}  E = {x : 2x = 6 or x = 1}

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## 1 Answer

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A is an empty set
B is a singleton set
C, D, E are equivalent sets
C and E are equal sets.
answered Jun 22, 2014