1 / | | 1 | 1*---------------- dx | 2 | 2*x - 12*x + 26 | / 0
Integral(1/(2*x^2 - 12*x + 26), (x, 0, 1))
/ | | 1 | 1*1*---------------- dx | 2 | 2*x - 12*x + 26 | /
1 1
1*---------------- = ------------------
2 / 2 \
2*x - 12*x + 26 |/ x 3\ |
8*||- - + -| + 1|
\\ 2 2/ // | | 1 | 1*1*---------------- dx | 2 = | 2*x - 12*x + 26 | /
/
|
| 1
| -------------- dx
| 2
| / x 3\
| |- - + -| + 1
| \ 2 2/
|
/
--------------------
8 /
|
| 1
| -------------- dx
| 2
| / x 3\
| |- - + -| + 1
| \ 2 2/
|
/
--------------------
8 3 x
v = - - -
2 2 /
|
| 1
| ------ dv
| 2
| 1 + v
|
/ atan(v)
------------ = -------
8 8 /
|
| 1
| -------------- dx
| 2
| / x 3\
| |- - + -| + 1
| \ 2 2/ / 3 x\
| atan|- - + -|
/ \ 2 2/
-------------------- = -------------
8 4 / 3 x\
atan|- - + -|
\ 2 2/
C + -------------
4 / / 3 x\ | atan|- - + -| | 1 \ 2 2/ | 1*---------------- dx = C + ------------- | 2 4 | 2*x - 12*x + 26 | /
pi atan(3/2) - -- + --------- 16 4
=
pi atan(3/2) - -- + --------- 16 4
Use the examples entering the upper and lower limits of integration.