If \[f(x)=\left\{ \begin{matrix} \frac{2}{5-x}, & \text{when }x3 \\ \end{matrix} \right.\], then

\[\underset{x\to 3+}{\mathop{\lim }}\,f(x)=0\]

\[\underset{x\to 3-}{\mathop{\lim }}\,f(x)=0\]

\[\underset{x\to 3+}{\mathop{\lim }}\,f(x)\ne \underset{x\to 3-}{\mathop{\lim }}\,f(x)\]

If \[f(x)=\left\{ \begin{matrix} \frac{2}{5-x}, & \text{when }x3�

1.	If \[f(x)=\left\{ \begin{matrix} \frac{2}{5-x}, & \text{when }x3 \\ \end{matrix} \right.\], then
A.	\[\underset{x\to 3+}{\mathop{\lim }}\,f(x)=0\]
B.	\[\underset{x\to 3-}{\mathop{\lim }}\,f(x)=0\]
C.	\[\underset{x\to 3+}{\mathop{\lim }}\,f(x)\ne \underset{x\to 3-}{\mathop{\lim }}\,f(x)\]
D.	None of these
Answer» D. None of these

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If \[f(x)=\left\{ \begin{matrix} \frac{2}{5-x}, & \text{when }x3 \\ \end{matrix} \right.\], then

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