## Question

###### Which two of these is not a topology on X = {1,2,3,4,5} .Select one or more:a. {0, {1,2,3,4}, {1,2}{1,2,3} }b. (X, {1,2}, {4,5}, {1,2,4,5},0} cX,0, {1}, {1,2,3,4}} d. {{2,3},{2,3,4},X, {2,3,4,5},0} e: {X,@, {4}, {5}, {1,4,5} }

Which two of these is not a topology on X = {1,2,3,4,5} . Select one or more: a. {0, {1,2,3,4}, {1,2}{1,2,3} } b. (X, {1,2}, {4,5}, {1,2,4,5},0} cX,0, {1}, {1,2,3,4}} d. {{2,3},{2,3,4},X, {2,3,4,5},0} e: {X,@, {4}, {5}, {1,4,5} }

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