Difference and symmetric difference
Sets, relations and functions · Mathematics
Study notes
Q: A = {1,2,3,4,5}, B = {4,5,6,7}. Find A - B, B - A, A Δ B. A - B = {1,2,3} (in A, not in B). B - A = {6,7}. A Δ B = {1,2,3,6,7} (in exactly one).
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Sets, relations and functions · Mathematics
Q: A = {1,2,3,4,5}, B = {4,5,6,7}. Find A - B, B - A, A Δ B. A - B = {1,2,3} (in A, not in B). B - A = {6,7}. A Δ B = {1,2,3,6,7} (in exactly one).