A) \[R,\ [-1,\ 1]\]
B) \[R-\{3\},\ \left\{ 1,\ -1 \right\}\]
C) \[{{R}^{+}},\ R\]
D) None of these
Correct Answer: B
Solution :
Domain of \[f(x)=R-\left\{ 3 \right\},\] and range {1, ?1}.
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