A) \[\{x:|x|<1,x\in /\}\]
B) \[\{x:|x|<5,x\in /\}\]
C) \[\{x:{{x}^{2}}<1,x\in /\}\]
D) \[\{x:{{x}^{2}}+x+0,x\in R\}\]
Correct Answer: A
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