HP 40gs Manual do Utilizador descarregar pdf (Página 299)

100

101

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:

---

n–

⎝⎠

⎜⎟

⎛⎞

---

n–

⎝⎠

⎜⎟

⎛⎞

≤≤

---

⋅ e

---

n–

⎝⎠

⎜⎟

⎛⎞

n +∞→

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