Math, asked by batmanbruce012, 6 months ago

If two sets A and B have 17 elements in common, then the number of elements common to the set A x B and B x A is

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Answered by Gripex

Your question is totally similar to the case that I illustrated in the attached picture. Please see it and from there it is clear that, 17² (or, 289) elements will be common to the set A×B and B×A

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If two sets A and B have 17 elements in common, then the number of elements common to the set A x B and B x A is​

Answers

If two sets A and B have 17 elements in common, then the number of elements common to the set A x B and B x A is