1 / | | 1 | ------------- dx | 2 | x - 6*x + 45 | / 0
Integral(1/(x^2 - 6*x + 45), (x, 0, 1))
/ | | 1 | ------------- dx | 2 | x - 6*x + 45 | /
1 1 ------------- = ------------------- 2 / 2 \ x - 6*x + 45 |/ x 1\ | 36*||- - + -| + 1| \\ 6 2/ /
/ | | 1 | ------------- dx | 2 = | x - 6*x + 45 | /
/ | | 1 | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 6 2/ | / -------------------- 36
/ | | 1 | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 6 2/ | / -------------------- 36
1 x v = - - - 2 6
/ | | 1 | ------ dv | 2 | 1 + v | / atan(v) ------------ = ------- 36 36
/ | | 1 | -------------- dx | 2 | / x 1\ | |- - + -| + 1 | \ 6 2/ / 1 x\ | atan|- - + -| / \ 2 6/ -------------------- = ------------- 36 6
/ 1 x\ atan|- - + -| \ 2 6/ C + ------------- 6
/ / 1 x\ | atan|- - + -| | 1 \ 2 6/ | ------------- dx = C + ------------- | 2 6 | x - 6*x + 45 | /
atan(1/3) atan(1/2) - --------- + --------- 6 6
=
atan(1/3) atan(1/2) - --------- + --------- 6 6
-atan(1/3)/6 + atan(1/2)/6
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.