Question: Let X:= (a, b, c, d, e). Tx = (0, X,{a}, {b}, {d}, {a, b}, {a, d}{b, d}, {a, b, d }} be a

Let X:= (a, b, c, d, e). Tx = (0, X,{a}, {b},

Let X:= (a, b, c, d, e). Tx = (0, X,{a}, {b}, {d}, {a, b}, {a, d}{b, d}, {a, b, d }} be a topology on X. Let A = {b, d, e}cX. Then ExtA = Select one: none O (a) O (a,c)

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