=
|
A. -1 |
B. 0 |
C. 1 |
|
D. 2 |
E. ¥ |
|
Solution: The answer is A
Since x + ln(1 - x)
® 0 and x – ln(1 + x) ® 0 as x ® 0, then
which is an indeterminate form, that is, the limit may or may not exist. Thus, using l’Hospital’s Rule twice yields,
