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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–
⎝⎠
⎜⎟
⎛⎞
≤≤
ne
x
n
---
⋅ e
x
n
---
ne
2
n
---
n–
⎝⎠
⎜⎟
⎛⎞
n +∞→
hp40g+.book Page 25 Friday, December 9, 2005 1:03 AM