Sean A = {1, 2, 3} B = { 2, 5, 6 } y C = {x / x ∈ N ; - 2 < x < 9 } Efectúa a) ( A ∩ B ) ∩ C = b) (A – C) ∩ B C) (A – B) U (B – A.
En resumen
A = {1, 2, 3}B = {2, 5, 6}C = { - 1, 0, 1, 2, 3, 4, 5, 6, 7, 8}a) (A∩B)∩C (A∩B) = {2} (A∩B)∩C = {2}b) (A - C)∩B(A - C) = {Ø} (A - C)∩B = {Ø} c) (A - B)U(B - A) (A - B) = {1, 3}(B - A) = {5, 6}(A - B)U(B - A) = {1, 3, 5, 6}.
Brandunki3123
A = {1, 2, 3}B = {2, 5, 6}C = { - 1, 0, 1, 2, 3, 4, 5, 6, 7, 8}a) (A∩B)∩C (A∩B) = {2} (A∩B)∩C = {2}b) (A - C)∩B(A - C) = {Ø} (A - C)∩B = {Ø} c) (A - B)U(B - A) (A - B) = {1, 3}(B - A) = {5, 6}(A - B)U(B - A) = {1, 3, 5, 6}.