Question

Please HELPPPPPPPPP please please please I beg

Answer 1

Answer:

A = {1,2,3} and B = {1,2,A,B}

A U B = { 1,2,3,A,B}

A U B means, the union of both sets. So, all the members in both sets are written together.

NB: An element is written only once even if it appears in both sets.

HOPE IT HELPS........✨✨✨