Th : relation \( R \) defined in \( A=\{1,2,3\} \) by \( a R b \) if \( \left|a^{2}-b^{2}\right|...

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Th : relation \( R \) defined in \( A=\{1,2,3\} \) by \( a R b \) if \( \left|a^{2}-b^{2}\right| \leq 5 \). Which of the following is false?
(1) \( R=\{(1,1),(2,2),(3,3),(2,1),(1,2),(2,3),(3,2)\} \)
(2) \( R^{-1}=R \)
(3) Domain of \( R=\{1,2,3\} \)
(4) Range of \( R=\{5\} \)
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