Let-A-B-and-C-be-three-sets-and-X-be-the-set-of-all-elements-which-belong-to-exactly-two-of-the-sets-A-B-and-C-Prove-that-X-is-equal-to-A-B-C-A-B-C-

Question Number 117597 by Ar Brandon last updated on 12/Oct/20

Let A, B, and C be three sets and X be the set of all

elements which belong to exactly two of the sets A, B

and C . Prove that X is equal to

(A \cup B \cup C) - [A Δ (B Δ C)]

Commented by prakash jain last updated on 13/Oct/20

The result is clear from venn diagram .

I will work on algebraic prove