If A = 1,2,3 , B = 2,3,4 and C = 3,4,5,6 then find (A B)-C. - Vidyadip

Question

If $A =\{1,2,3\}, B =\{2,3,4\}$ and $C =\{3,4,5,6\}$ then find $(A \cap B)-C$.

✓

Answer

$A=\{1,2,3\}, B=\{2,3,4\}, C=\{3,4,5,6\}$
$\begin{aligned} \therefore \quad( A \cap B ) & =\{1,2,3\} \cap\{2,3,4\} \\ & =\{2,3\}\end{aligned}$
$\begin{aligned}\text {Now} \ (A \cap B)-C & =\{2,3\}-\{3,4,5,6\} \\ & =\{2\}\end{aligned} $

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