Q. 7

If U = {a, b, c, d, e, f, g, h}, A = {a, b, c, d} and B = {b, d, f, g},

Find

i. A B

ii. (A B)’

iii. A B

iv. (A B)’

Answer :

U = {a, b, c, d, e, f, g, h}


A = {a, b, c, d}


B = {b, d, f, g}


i. A B = {a, b, c, d, f, g} [elements that are present in either A or B]


ii. U = {a, b, c, d, e, f, g, h}


A B = {a, b, c, d, f, g}


(A B)’ = {e, h} [elements that are present in U but not in A B]


iii. A B = {b, d} [elements that are present in both A and B]


iv. U = {a, b, c, d, e, f, g, h}


A B = {b, d}


(A B)’ = {a, c, e, f, g, h} [elements that are present in U but not in A B]


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