CBSE Class 12-science Answered
Let A and B be non empty sets and f is a mapping from A×B to B×A such that (a,b)=(b,a), then 'f' is
Asked by darshansh200 | 28 Jul, 2020, 01:44: PM
Expert Answer
Give: f is a mapping from A×B to B×A such that (a,b)=(b,a)
To check one-one
Answered by Renu Varma | 29 Jul, 2020, 12:20: PM
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