Question

list all the elements of the following sets
1.A=(x:x²<10,xEz)
2.B=(x:x=1/2n-1,1<n<5)
3.C=(x:x is an integer,-1/2<x<9/2)
4.D=(x:x is a vowel in the word "EQUATION ")
5.E=(x:x is a month of a year not having 31 days)
6.F=(x:x is a letter of the word MISSISSIPPI)​

Answer 1

Answer:

4.D=(E, Q, U, A, T, I, O, N). because there are no repeated letters.

5.E=(feb, Apr, June, sep, Nov)

6.F=(M, I, S, P) we should write repeated letters only 1 time