Question

The smallest set A such that A U{1, 2} = {1, 2, 3, 5, 9) is
(a) (2, 3, 5)
(b) (3, 5,9)
(c) {1, 2, 5,9)
(d) None of these​

Answer 1

Answer:

b)  {3,5,9}

Step-by-step explanation:

given A∪{1,2}={1,2,3,5,9}

hence A={3,5,9}

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