Question

If A=(6,7,8,9) and B=(8,10,12), find AuB symmetric difference of sets B.

Answer 1

(6,7,9) is the answer of your question

Answer 2

Answer:

(A-B)={6,7,8,9}-{8,10,12}={6,7,8}

(B-A)={8, 10, 12}={10,12}

A B=(A-B)U(B-A)={6,7,8}U{10,12}