Question

Find the symmetric difference of A={1,2,3} and B={3,4,5}

Answer 1

Answer

A ∆ B = {1,2,4,5}

Step-by-step Explanation

Formula A ∆ B = (A - B) U (B - A)

A = {1,2,3} B = {3,4,5}

A - B = {1,2}. B - A = {4,5}

(A - B) U (B - A) = {1,2,4,5}

A ∆ B = {1,2,4,5}