Write the following in sut builder for (3,6,9,12) Share with your friends Share 1 Manbar Singh answered this We have,A = 3, 6, 9 ,12Clearly , A = set of first 4 multiples of 3.Thus, in set-builder form, we write it as,A = x : x = 3n , where n ∈ N and 1 ≤n ≤ 4 0 View Full Answer Hinal answered this A={x:x=3n, nbelongs to natural no. and n 0 Hinal answered this A={x;x=3n n belongs to N. n 0