- Take
and
; then we have
and |
|
hence the computation of the limit at
of
shows an undeterminate case. We have:
whence
- Take
and
; then we have
and |
|
Here we have
whence
Note that we have here an example of what is explained in subsection 5.1. For the difference of two square roots, see subsection 5.3.
Noah Dana-Picard
2007-12-28