Question

$- \frac{1}{x}$ is equal to

• A. 1
• B. 0
• C. e
• D. None of these

Answer 1

Answer: (A)

1

Answer 2

$\lim _ { x \rightarrow 1 }$

= $\lim _ { x \rightarrow 1 }$ $\frac { \cos \left( \mathrm { e } ^ { \mathrm { x } - 1 } - 1 \right) \cdot \mathrm { e } ^ { \mathrm { x } - 1 } } { \frac { 1 } { \mathrm { x } } }$ = 1