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CBSE Class 12-science Answered

Q - 5
Asked by majethiyarishat9566.12sdatl | 27 Oct, 2020, 11:51: AM
Expert Answer
A = {1, 2, 3} and R is a relation on R such that R = {(a, b): a - b = 0}
Let (a, b) belongs to R
Therefore, a - b = 0
Therefore, a = b
So, we have
R = {(1, 1), (2, 2), (3, 3)} = {(a, a): a belongs to A}
Hence, R is an identity relation
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