A) \[(-\infty ,\infty )-\{1\}\]
B) \[(-\infty ,\infty )\tilde{\ }\{1,-1\}\]
C) \[(-\infty ,\infty )\tilde{\ }\{1,-1,0\}\]
D) \[(-\infty ,\infty )\tilde{\ }\{-1\}\]
Correct Answer: B
Solution :
[b] \[f(x)\]is clearly continuous for\[x\in R\].You need to login to perform this action.
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