HP 40gs User Manual
Page 299
Step-by-Step Examples
16-25
We can now see that:
To justify the preceding calculation, we must assume that
is a primitive of
.
If you are not sure, you can
use the
INTVX function as
illustrated at the right:
Note that the
INTVX
command is on the
menu.
The simplified result, got by
pressing twice,
is
shown at the right:
Solution 4
To find the limit of
when
, enter the
expression at the right:
Note that the
lim
command is on the
menu. The infinity sign can
be selected from the
character map, opened by
pressing .
Pressing
once after selecting the infinity sign adds
a “+” character to the infinity sign.
Select the entire expression
ans press
to get the
result, which is:
2
3
2
--- ne
2
n
---
n
–
⎝
⎠
⎜
⎟
⎛
⎞
u
n
7
4
--- ne
2
n
---
n
–
⎝
⎠
⎜
⎟
⎛
⎞
≤
≤
n e
x
n
---
⋅
e
x
n
---
ne
2
n
---
n
–
⎝
⎠
⎜
⎟
⎛
⎞
n
+
∞
→
hp40g+.book Page 25 Friday, December 9, 2005 1:03 AM