A and B are two sets (A - B) U (B - A) U (A intersection B) =
(A) AUB
(B) A intersection B
(C) A
(D) B'
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(B) A intersection B
Step-by-step explanation:
= (A-B) U (B-A)
= A(B-A) U (-B) (B-A)
= AB-A{?}^{2} U -B(B-A)
= AB-{A}^{2} U -{B}^{2}+AB
= AB-{A}^{2} U AB-{B}^{2}
= {AB}^{2} U {A}^{2}-{B}^{2}
= {AB} U {A-B}
= AB U A-B
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