Question

U = {a, b, c, d, e, f, g}A = {a, c, e, g}B = {a, b, c, d}Find A u B’

Answer 1

U = {a, b, c, d, e, f, g}



A = {a, c, e, g}



B = {a, b, c, d}



Find A u B’

to solve this A u B , make a set with the elements of A and the elements of b, no repeat

$A\cup B=\lbrace a,b,c,d,e,g\rbrace$