Let U={1,2,4,5,a,b,c,d,e} use the roster method to write the complement of the set?

Question

A={2,4,b,d}

Answer 1

complement of A = U-A = {1, 5, a, c, e}

Answer 2

The complement is everything not in A.

~A = {1, 5, a, c, e}