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Relation — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSRelation3 Marks
Question
If A = {1, 2} and B = {1, 3}, find A × B and B × A.
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Answer

We have, A = {1, 2} and B = {1, 3} Now, A × B = {1, 2} × {1, 3} = {(1, 1), (1, 3), (2, 1), (2, 3)} and, B × A = {1, 3} × {1, 2} = {(1, 1), (1, 2), (3, 1), (3, 2)}

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