# = a) List the members of these sets. i) {x | x is a real number such that x2 = 16} ii) {x | x is a positive integer less than 20} iii) {x | x is the square of an integer and x < 50} iv) {x | x is an integer such that x2 = 2} v) {x | x is an odd integer and x< 10}

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