1 / | | 2*x - 7 | ------------- dx | 2 | x + 2*x + 10 | / 0
Integral((2*x - 7)/(x^2 + 2*x + 10), (x, 0, 1))
/ | | 2*x - 7 | ------------- dx | 2 | x + 2*x + 10 | /
/-9 \ |---| 2*x - 7 2*x + 2 \ 9 / ------------- = ------------- + -------------- 2 2 2 x + 2*x + 10 x + 2*x + 10 / x 1\ |- - - -| + 1 \ 3 3/
/ | | 2*x - 7 | ------------- dx | 2 = | x + 2*x + 10 | /
/ / | | | 1 | 2*x + 2 - | -------------- dx + | ------------- dx | 2 | 2 | / x 1\ | x + 2*x + 10 | |- - - -| + 1 | | \ 3 3/ / | /
/ | | 2*x + 2 | ------------- dx | 2 | x + 2*x + 10 | /
2 u = x + 2*x
/ | | 1 | ------ du = log(10 + u) | 10 + u | /
/ | | 2*x + 2 / 2 \ | ------------- dx = log\10 + x + 2*x/ | 2 | x + 2*x + 10 | /
/ | | 1 - | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 3 3/ | /
1 x v = - - - - 3 3
/ | | 1 - | ------ dv = -atan(v) | 2 | 1 + v | /
/ | | 1 /1 x\ - | -------------- dx = -3*atan|- + -| | 2 \3 3/ | / x 1\ | |- - - -| + 1 | \ 3 3/ | /
/1 x\ / 2 \ C - 3*atan|- + -| + log\10 + x + 2*x/ \3 3/
/ | | 2*x - 7 /1 x\ / 2 \ | ------------- dx = C - 3*atan|- + -| + log\10 + x + 2*x/ | 2 \3 3/ | x + 2*x + 10 | /
-log(10) - 3*atan(2/3) + 3*atan(1/3) + log(13)
=
-log(10) - 3*atan(2/3) + 3*atan(1/3) + log(13)
-log(10) - 3*atan(2/3) + 3*atan(1/3) + log(13)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.