The relation \( R \) defined in \( A=\{1,2,3\} \) by \( a R b \) if \( \left|a^{2}-b^{2}\right| ... VIDEO
The 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?
(A) \( R=\{(1,1)(2,2),(3,3),(2,1),(1,2),(2,3),(3,2)\} \)
(B) \( \quad \mathrm{R}^{-1}=\mathrm{R} \)
(C) Domain of \( R=(1,2,3) \)
(D) Range of \( R=\{5\} \).
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