Let A = 1,4,7,8 and B = 4,6,8,9 . Find (i) A - B (ii) B - A. - Vidyadip

Question

Let $A =\{1,4,7,8\}$ and $B =\{4,6,8,9\}$. Find (i) $A - B $ (ii) $B - A$.

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Answer

(i) $A - B =\{1,7\}$ (ii) $B - A =\{6,9\}$

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