फलन $f(x)$ की दाईं ओर और बाईं ओर की सीमा क्रमशः है:
$f(x)=\begin{cases} \frac{e^{1 / x}-1}{e^{1 / x}+1}, & \text{यदि } x \neq 0 \\ 0, & \text{यदि } x=0 \end{cases}$

  • A
    $1$ और $1$
  • B
    $1$ और $-1$
  • C
    $-1$ और $-1$
  • D
    $-1$ और $1$

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