HP 39gs - Page 175

Using mathematical functions 13-23
4. Press to display
the result. Note: Use
the arrow keys to view
the entire function.
|
You could also just define
.
To find the
indefinite integral
using formal
variables
For example, to find the indefinite integral of
use:
1. Enter the function.
0
S1 3
X 5
X
2. Show the result format.
3. Press to close the
show window.
4. Copy the result and
evaluate.
Thus, substituting X for S1, it can be seen that:
F1 x() xx
2
()2 x()cos+sin()d=
3x
2
5– xd
∫
(
)
∫
− XXS ,53,1,0
2
3x
2
5– x 5x–3
x
3
3
-----
X∂
∂
X()
---------------
⎝⎠
⎜⎟
⎜⎟
⎜⎟
⎛⎞
+=d
∫
HP 39gs English.book Page 23 Wednesday, December 7, 2005 11:24 PM