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If {(a, 8), (6, b)} represents an identi...

If `{(a, 8), (6, b)}` represents an identity functions then the values of a and b are respectively

A

`( 8,6)`

B

`( 8,8 ) `

C

`( 6,8 ) `

D

`( 6,6) `

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The correct Answer is:
a
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