Let \( R \) is a relation from \( \{11,12,13\} \) to \( \{8,10,12\} \) defined by \( y=x-3 \). T....

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Let \( R \) is a relation from \( \{11,12,13\} \) to \( \{8,10,12\} \) defined by \( y=x-3 \). Then, \( R^{-1} \) is
(1) \( \{(8,11),(10,13)\} \)
\( \mathrm{P} \)
(2) \( \{(11,8),(13,10)\} \)
(3) \( \{(10,13),(8,11),(12,10)\} \)
(4) none of these


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