oo / | | 1 | -------------- dx | 2 | x - 6*x + 100 | / 2
Integral(1/(x^2 - 6*x + 100), (x, 2, oo))
/ | | 1 | -------------- dx | 2 | x - 6*x + 100 | /
1 1
-------------- = ---------------------------------
2 / 2 \
x - 6*x + 100 |/ ____ ____\ |
||-\/ 91 3*\/ 91 | |
91*||--------*x + --------| + 1|
\\ 91 91 / // | | 1 | -------------- dx | 2 = | x - 6*x + 100 | /
/
|
| 1
| ---------------------------- dx
| 2
| / ____ ____\
| |-\/ 91 3*\/ 91 |
| |--------*x + --------| + 1
| \ 91 91 /
|
/
----------------------------------
91 /
|
| 1
| ---------------------------- dx
| 2
| / ____ ____\
| |-\/ 91 3*\/ 91 |
| |--------*x + --------| + 1
| \ 91 91 /
|
/
----------------------------------
91 ____ ____
3*\/ 91 x*\/ 91
v = -------- - --------
91 91 /
|
| 1
| ------ dv
| 2
| 1 + v
|
/ atan(v)
------------ = -------
91 91 /
|
| 1
| ---------------------------- dx
| 2
| / ____ ____\
| |-\/ 91 3*\/ 91 |
| |--------*x + --------| + 1 / ____ ____\
| \ 91 91 / ____ | 3*\/ 91 x*\/ 91 |
| \/ 91 *atan|- -------- + --------|
/ \ 91 91 /
---------------------------------- = ----------------------------------
91 91 / ____ ____\
____ | 3*\/ 91 x*\/ 91 |
\/ 91 *atan|- -------- + --------|
\ 91 91 /
C + ----------------------------------
91 / ____ \ / ____ |\/ 91 *(-3 + x)| | \/ 91 *atan|---------------| | 1 \ 91 / | -------------- dx = C + ---------------------------- | 2 91 | x - 6*x + 100 | /
/ ____\
____ |\/ 91 |
\/ 91 *atan|------| ____
\ 91 / pi*\/ 91
------------------- + ---------
91 182
=
/ ____\
____ |\/ 91 |
\/ 91 *atan|------| ____
\ 91 / pi*\/ 91
------------------- + ---------
91 182
sqrt(91)*atan(sqrt(91)/91)/91 + pi*sqrt(91)/182
Use the examples entering the upper and lower limits of integration.