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Find which of the following are the func...

Find which of the following are the function on set `A={a,b,c} ?` Give reason.
(i) `R_(1)={(a,b),(b,a),(a,c)}`
(ii) `R_(2)={(b,b),(c,c),(a,b)}`

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The correct Answer is:
`R_(2)`is a function .
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NAGEEN PRAKASHAN-RELATIONS AND FUNCTIONS-Exercise 2C
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