A) 0
B) 1
C) 2
D) ?2
Correct Answer: A
Solution :
Here \[\underset{x\to 0+}{\mathop{\lim }}\,\,\,f(x)=k,\,\,\,\underset{x\to 0-}{\mathop{\lim }}\,f(x)=-k\] and \[f(0)=k\] But \[f(x)\] is continuous at \[x=0,\] therefore k must be zero.You need to login to perform this action.
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