1 / | | 4 | ------------- dx | 2 | x + 2*x + 26 | / 0
Integral(4/(x^2 + 2*x + 26), (x, 0, 1))
/ | | 4 | ------------- dx | 2 | x + 2*x + 26 | /
/4 \ |--| 4 \25/ ------------- = -------------- 2 2 x + 2*x + 26 / x 1\ |- - - -| + 1 \ 5 5/
/ | | 4 | ------------- dx | 2 = | x + 2*x + 26 | /
/ | | 1 4* | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 5 5/ | / ---------------------- 25
/ | | 1 4* | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 5 5/ | / ---------------------- 25
1 x v = - - - - 5 5
/ | | 1 4* | ------ dv | 2 | 1 + v | / 4*atan(v) -------------- = --------- 25 25
/ | | 1 4* | -------------- dx | 2 | / x 1\ | |- - - -| + 1 | \ 5 5/ /1 x\ | 4*atan|- + -| / \5 5/ ---------------------- = ------------- 25 5
/1 x\ 4*atan|- + -| \5 5/ C + ------------- 5
/ /1 x\ | 4*atan|- + -| | 4 \5 5/ | ------------- dx = C + ------------- | 2 5 | x + 2*x + 26 | /
4*atan(1/5) 4*atan(2/5) - ----------- + ----------- 5 5
=
4*atan(1/5) 4*atan(2/5) - ----------- + ----------- 5 5
-4*atan(1/5)/5 + 4*atan(2/5)/5
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.