1 / | | 2*x + 1 | ---------- dx | 2 | x + x + 3 | / 0
Integral((2*x + 1)/(x^2 + x + 3), (x, 0, 1))
/ | | 2*x + 1 | ---------- dx | 2 | x + x + 3 | /
/ 0 \ |----| 2*x + 1 2*x + 1 \11/4/ ---------- = ---------- + --------------------------- 2 2 2 x + x + 3 x + x + 3 / ____ ____\ |-2*\/ 11 \/ 11 | |---------*x - ------| + 1 \ 11 11 /
/ | | 2*x + 1 | ---------- dx | 2 = | x + x + 3 | /
/ | | 2*x + 1 | ---------- dx | 2 | x + x + 3 | /
/ | | 2*x + 1 | ---------- dx | 2 | x + x + 3 | /
2 u = x + x
/ | | 1 | ----- du = log(3 + u) | 3 + u | /
/ | | 2*x + 1 / 2\ | ---------- dx = log\3 + x + x / | 2 | x + x + 3 | /
0
____ ____ \/ 11 2*x*\/ 11 v = - ------ - ---------- 11 11
True
True
/ 2\ C + log\3 + x + x /
/ | | 2*x + 1 / 2 \ | ---------- dx = C + log\x + x + 3/ | 2 | x + x + 3 | /
-log(3) + log(5)
=
-log(3) + log(5)
-log(3) + log(5)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.