Question 10:

If X = {a, b, c, d} and Y = {f, b, d, g}, find

(i) X – Y
(ii) Y – X
(iii) X ∩ Y

Answer

(i) X – Y = {a, c}
(ii) Y – X = {f, g}
(iii) X ∩ Y = {b, d}

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