1 / | | 2*x + 3 | ------------ dx | 2 | x + 3*x + 5 | / 0
Integral((2*x + 3)/(x^2 + 3*x + 5), (x, 0, 1))
/ | | 2*x + 3 | ------------ dx | 2 | x + 3*x + 5 | /
/ 0 \ |----| 2*x + 3 2*x + 3 \11/4/ ------------ = ------------ + ----------------------------- 2 2 2 x + 3*x + 5 x + 3*x + 5 / ____ ____\ |-2*\/ 11 3*\/ 11 | |---------*x - --------| + 1 \ 11 11 /
/ | | 2*x + 3 | ------------ dx | 2 = | x + 3*x + 5 | /
/ | | 2*x + 3 | ------------ dx | 2 | x + 3*x + 5 | /
/ | | 2*x + 3 | ------------ dx | 2 | x + 3*x + 5 | /
2 u = x + 3*x
/ | | 1 | ----- du = log(5 + u) | 5 + u | /
/ | | 2*x + 3 / 2 \ | ------------ dx = log\5 + x + 3*x/ | 2 | x + 3*x + 5 | /
0
____ ____ 3*\/ 11 2*x*\/ 11 v = - -------- - ---------- 11 11
True
True
/ 2 \ C + log\5 + x + 3*x/
/ | | 2*x + 3 / 2 \ | ------------ dx = C + log\x + 3*x + 5/ | 2 | x + 3*x + 5 | /
-log(5) + log(9)
=
-log(5) + log(9)
-log(5) + log(9)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.