First slide

Introduction to Relations (XI) on Sets

Question

$If A = {2, 3, 5}, B = {2, 5, 6}, then (A - B) \times (A \cap B) is$

Easy

A

${(3, 2), (3, 3), (3, 5)}$
B

${(3, 2), (3, 5), (3, 6)}$
C

${(3, 2), (3, 5)}$
D

None of these

Solution

$\begin{array}{l} A - B = {3} \\ A \cap B = {2, 5} \\ (A - B) \times (A \cap B) = {(3, 2); (3, 5)} \end{array}$

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